Physical activity and exercise

مَا تَذَرُ مِن شَيۡءٍ أَتَتۡ عَلَيۡهِ إِلَّا جَعَلَتۡهُ كَٱلرَّمِيمِ

and it reduced everything it came up against to shreds

قَالَ قَآئِلࣱ مِّنۡهُمۡ لَا تَقۡتُلُواْ يُوسُفَ وَأَلۡقُوهُ فِي غَيَٰبَتِ ٱلۡجُبِّ يَلۡتَقِطۡهُ بَعۡضُ ٱلسَّيَّارَةِ إِن كُنتُمۡ فَٰعِلِينَ

[Another of them] said, ‘Do not kill Joseph, but, if you must, throw him into the hidden depths of a well where some caravan may pick him up.’

ٱذۡهَبُواْ بِقَمِيصِي هَٰذَا فَأَلۡقُوهُ عَلَىٰ وَجۡهِ أَبِي يَأۡتِ بَصِيرࣰ ا وَأۡتُونِي بِأَهۡلِكُمۡ أَجۡمَعِينَ

Take my shirt and lay it over my father’s face: he will recover his sight. Then bring your whole family back to me.’

وَمِنَ ٱلنَّاسِ مَن يَتَّخِذُ مِن دُونِ ٱللَّهِ أَندَادࣰ ا يُحِبُّونَهُمۡ كَحُبِّ ٱللَّهِۖ وَٱلَّذِينَ ءَامَنُوٓاْ أَشَدُّ حُبࣰّ ا لِّلَّهِۗ وَلَوۡ يَرَى ٱلَّذِينَ ظَلَمُوٓاْ إِذۡ يَرَوۡنَ ٱلۡعَذَابَ أَنَّ ٱلۡقُوَّةَ لِلَّهِ جَمِيعࣰ ا وَأَنَّ ٱللَّهَ شَدِيدُ ٱلۡعَذَابِ

Even so, there are some who choose to worship others besides God as rivals to Him, loving them with the love due to God, but the believers have greater love for God. If only the idolaters could see- as they will see when they face the torment- that all power belongs to God, and that God punishes severely

۞إِنَّ قَٰرُونَ كَانَ مِن قَوۡمِ مُوسَىٰ فَبَغَىٰ عَلَيۡهِمۡۖ وَءَاتَيۡنَٰهُ مِنَ ٱلۡكُنُوزِ مَآ إِنَّ مَفَاتِحَهُۥ لَتَنُوٓأُ بِٱلۡعُصۡبَةِ أُوْلِي ٱلۡقُوَّةِ إِذۡ قَالَ لَهُۥ قَوۡمُهُۥ لَا تَفۡرَحۡۖ إِنَّ ٱللَّهَ لَا يُحِبُّ ٱلۡفَرِحِينَ

Qarun was one of Moses’ people, but he oppressed them. We had given him such treasures that even their keys would have weighed down a whole company of strong men. His people said to him, ‘Do not gloat, for God does not like people who gloat

قَالُواْ ٱبۡنُواْ لَهُۥ بُنۡيَٰنࣰ ا فَأَلۡقُوهُ فِي ٱلۡجَحِيمِ

They said, ‘Build a pyre and throw him into the blazing fire.’

Go with this shirt of mine and cast it upon the face of my father so that he may come to seeing. Joseph said, " Take my shirt to Jacob, for his pain has not ceased from the time he saw the shirt stained with the wolf's blood. The balm will also be my shirt. " When they took the shirt from Egypt, the morning breeze was commanded to take the shirt's scent to Jacob's nostrils so that, before Joseph's messenger could give the good news, he would receive it from the Real's mes- senger and recognize the Real's perfect gentleness and favor toward him. According to the tasting of the recognizers, this is the divine breeze that wanders furtively around the world to the doors of the breasts of the faithful and the tawḤīd-voicers to see where there may be a limpid breast and an empty secret core in which to dwell. Her love came to me before I knew love- it came across a carefree heart and took poss

Among the people are some who take peers apart from God, loving them as if loving God. And those who have faith are more intense in love for God. If this were the only verse in the whole Qur'an about the faithful and God's friends, their eminence and honor would be complete, for the Lord of the Worlds is saying, “They love Me intensely and more completely than the unbelievers love their objects of worship.” Do you not see that every once in a while the unbelievers set up another idol and take up another object of worship. Like poor people, they are content with something carved of wood. Then, when they can, they take down the wooden one and make another from silver or gold. If their love for their object of wor- ship is real, why do they turn away from it toward another? They say that a man met a woman recognizer, and her beauty exercised its influence over his heart. He said, “'My all i

It did not leave anything any soul or property that it came upon without making it like decayed bones like something that is withered and in scattered pieces.

And in Musa, when We sent him to Fir'awn with a manifest authority (38)But (he) turned away along with his hosts, and said: "A sorcerer or a madman. (39)So We took him and his armies, and dumped them into the sea (Yamm), for he was blameworthy (40)And in 'Ad when We sent against them the barren wind (41)It spared nothing that it reached, but blew it into broken spreads of rotten ruins (42)And in Thamud, when they were told: "Enjoy yourselves for a while! (43)But they insolently defied the command of their Lord, so the Sa'iqah overtook them while they were looking (44)Then they were unable to rise up, nor could they help themselves (45)(So were) the people of Nuh before them. Verily, they were a people who were rebellious (46) Lessons from the Destruction of Fir'awn, 'Ad, Thamud, and the People of Nuh Allah the Exalted said, وَفِي مُوسَىٰ إِذْ أَرْسَلْنَاهُ إِلَىٰ فِرْعَوْنَ بِسُلْطَان

One of them namely Judah said ‘Do not kill Joseph but cast him throw him into the bottom of a well ghayābat al-jubb is the darkest recess of a well; a variant reading has the plural ghayābāt so that some caravan might pick him up if you are to do anything’ of what you desire in the way of separating Joseph from us so content yourselves with this solution.

Yet there be people who take to themselves compeers idols besides God that is other than God loving them by magnifying them and being subservient to them as God is loved that is as their love of Him; but those who believe love God more ardently than those who love their compeers because the former never reject God whereas the latter when faced with hardship soon abandon those compeers for God; If he if you O Muhammad (s) were to see those who did evil by taking to themselves compeers when idh here denotes idhā they see read either as active yarawna ‘they see’ or passive yurawna ‘they are made to see’ the chastisement you would see a grave sight that this is because the might the power and the vanquishing altogether a circumstantial qualifier belongs to God and that God is terrible in chastisement according to one reading the person listening to the verse governs the verb yarā ‘he sees’ a

حَدَّثَنَا أَحْمَدُ بْنُ مَنِيعٍ، حَدَّثَنَا يَزِيدُ بْنُ هَارُونَ، حَدَّثَنَا الْحَجَّاجُ، عَنْ مَكْحُولٍ، عَنْ أَبِي ثَعْلَبَةَ، وَالْحَجَّاجُ، عَنِ الْوَلِيدِ بْنِ أَبِي مَالِكٍ، عَنْ عَائِذِ اللَّهِ بْنِ عَبْدِ اللَّهِ، أَنَّهُ سَمِعَ أَبَا ثَعْلَبَةَ الْخُشَنِيَّ، قَالَ قُلْتُ يَا رَسُولَ اللَّهِ إِنَّا أَهْلُ صَيْدٍ ‏.‏ قَالَ ‏"‏ إِذَا أَرْسَلْتَ كَلْبَكَ وَذَكَرْتَ اسْمَ اللَّهِ عَلَيْهِ فَأَمْسَكَ عَلَيْكَ فَكُلْ ‏"‏ ‏.‏ قُلْتُ وَإِنْ قَتَلَ قَالَ ‏"‏ وَإِنْ قَتَلَ ‏"‏ ‏.‏ قُلْتُ إِنَّا أَهْلُ رَمْىٍ ‏.‏ قَالَ ‏"‏ مَا رَدَّتْ عَلَيْكَ قَوْسُكَ فَكُلْ ‏"‏ ‏.‏ قَالَ قُلْتُ إِنَّا أَهْلُ سَفَرٍ نَمُرُّ بِالْيَهُودِ وَالنَّصَارَى وَالْمَجُوسِ فَلاَ نَجِدُ غَيْرَ آنِيَتِهِمْ ‏.‏ قَالَ ‏"‏ فَإِنْ لَمْ تَجِدُوا غَيْرَهَا فَاغْسِلُوهَا بِالْمَاءِ ثُمَّ كُلُوا فِيهَا وَاشْرَبُوا ‏"‏ ‏.‏ قَالَ وَفِي الْبَابِ عَنْ عَدِيِّ بْنِ حَاتِمٍ ‏.‏ قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ ‏.‏ وَعَائِذُ اللَّهِ بْنُ عَبْدِ اللَّهِ هُوَ أَبُو إِدْرِيسَ الْخَوْلاَنِيُّ وَاسْمُ أَبِي ثَعْلَبَةَ الْخُشَنِيِّ جُرْثُومٌ وَيُقَالُ جُرْثُمُ بْنُ نَاشِرٍ وَيُقَالُ ابْنُ قَيْسٍ ‏.‏

Narrated Abu Tha'labah Al-Khushani:"I said: 'O Messenger of Allah! We are a people who hunt.' He said: 'If you send your dog and you mentioned the Name of Allah upon it, and he catches something for you, then eat it.' I said: 'Even if he kills it?' He said: 'Even if he kills it.' I said: 'We are a people who shoot (at game).' He said: 'What you catch with your bow, then eat it.'" He said: "Then I said:'Indeed we are a people who travel. We come across Jews, Christians, and Zoroastrians, and we do not find vessels other than theirs.' He said: 'If you do not find other than them, then wash them with water, then eat and drink from it

أَخْبَرَنَا أَحْمَدُ بْنُ عَبْدِ الْوَاحِدِ، قَالَ حَدَّثَنَا مَرْوَانُ، - وَهُوَ ابْنُ مُحَمَّدٍ - قَالَ حَدَّثَنَا خَالِدُ بْنُ يَزِيدَ بْنِ صَالِحِ بْنِ صَبِيحٍ الْمُرِّيُّ، قَالَ حَدَّثَنَا إِبْرَاهِيمُ بْنُ أَبِي عَبْلَةَ، عَنِ الْوَلِيدِ بْنِ عَبْدِ الرَّحْمَنِ الْجُرَشِيِّ، عَنْ جُبَيْرِ بْنِ نُفَيْرٍ، عَنْ سَلَمَةَ بْنِ نُفَيْلٍ الْكِنْدِيِّ، قَالَ كُنْتُ جَالِسًا عِنْدَ رَسُولِ اللَّهِ صلى الله عليه وسلم فَقَالَ رَجُلٌ يَا رَسُولَ اللَّهِ أَذَالَ النَّاسُ الْخَيْلَ وَوَضَعُوا السِّلاَحَ وَقَالُوا لاَ جِهَادَ قَدْ وَضَعَتِ الْحَرْبُ أَوْزَارَهَا فَأَقْبَلَ رَسُولُ اللَّهِ صلى الله عليه وسلم بِوَجْهِهِ وَقَالَ ‏ "‏ كَذَبُوا الآنَ الآنَ جَاءَ الْقِتَالُ وَلاَ يَزَالُ مِنْ أُمَّتِي أُمَّةٌ يُقَاتِلُونَ عَلَى الْحَقِّ وَيُزِيغُ اللَّهُ لَهُمْ قُلُوبَ أَقْوَامٍ وَيَرْزُقُهُمْ مِنْهُمْ حَتَّى تَقُومَ السَّاعَةُ وَحَتَّى يَأْتِيَ وَعْدُ اللَّهِ وَالْخَيْلُ مَعْقُودٌ فِي نَوَاصِيهَا الْخَيْرُ إِلَى يَوْمِ الْقِيَامَةِ وَهُوَ يُوحَى إِلَىَّ أَنِّي مَقْبُوضٌ غَيْرَ مُلَبَّثٍ وَأَنْتُمْ تَتَّبِعُونِي أَفْنَادًا يَضْرِبُ بَعْضُكُمْ رِقَابَ بَعْضٍ وَعُقْرُ دَارِ الْمُؤْمِنِينَ الشَّامُ ‏"‏ ‏.‏

It was narrated that Salamah bin Nufail Al-Kindi said:"I was sitting with the Messenger of Allah when a man said: 'O Messenger of Allah! The people have lost interest in horses and put down their weapons, and they say there is no Jihad, and that war has ended.' The Messenger of Allah turned to face him and said: 'They are lying, now the fighting is to come. There will always be a group among my Ummah who will fight for the truth, for whom Allah will cause some people to deviate, and grant them provision from them, until the Hour begins and until the promise of Allah comes. Goodness is tied to the forelocks of horses until the Day of Resurrection. It has been revealed to me that I am going to die and will not stay long, and you will follow me group after group, striking one another's necks. And the place of safety for the believers is Ash-Sham

أَخْبَرَنَا عَمْرُو بْنُ يَحْيَى بْنِ الْحَارِثِ، قَالَ حَدَّثَنَا مَحْبُوبُ بْنُ مُوسَى، قَالَ حَدَّثَنَا أَبُو إِسْحَاقَ، - يَعْنِي الْفَزَارِيَّ - عَنْ سُهَيْلِ بْنِ أَبِي صَالِحٍ، عَنْ أَبِيهِ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏ "‏ الْخَيْلُ مَعْقُودٌ فِي نَوَاصِيهَا الْخَيْرُ إِلَى يَوْمِ الْقِيَامَةِ الْخَيْلُ ثَلاَثَةٌ فَهِيَ لِرَجُلٍ أَجْرٌ وَهِيَ لِرَجُلٍ سَتْرٌ وَهِيَ عَلَى رَجُلٍ وِزْرٌ فَأَمَّا الَّذِي هِيَ لَهُ أَجْرٌ فَالَّذِي يَحْتَبِسُهَا فِي سَبِيلِ اللَّهِ فَيَتَّخِذُهَا لَهُ وَلاَ تُغَيِّبُ فِي بُطُونِهَا شَيْئًا إِلاَّ كُتِبَ لَهُ بِكُلِّ شَىْءٍ غَيَّبَتْ فِي بُطُونِهَا أَجْرٌ وَلَوْ عَرَضَتْ لَهُ مَرْجٌ ‏"‏ ‏.‏ وَسَاقَ الْحَدِيثَ ‏.‏

It was narrated that Abu Hurairah said:"The Messenger of Allah said: 'There is goodness tied to the forelocks of horses until the Day of Resurrection. And horses are of three types: Those that bring reward to man, those that are a means of protection for a man, and those that are a burden (of sin) for a man. As for those that bring reward, they are kept for the cause of Allah and for Jihad. No fodder enters their stomach but for everything that enters their stomachs, reward is written for him, even if he puts them out to pasture.'" And he quoted the Hadith

حَدَّثَنَا نَصْرُ بْنُ عَلِيٍّ الْجَهْضَمِيُّ، حَدَّثَنَا الْمُعْتَمِرُ بْنُ سُلَيْمَانَ، عَنْ أَبِيهِ، عَنْ أَبِي إِسْحَاقَ، عَنِ الْبَرَاءِ بْنِ عَازِبٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏"‏ ائْتُونِي بِالْكَتِفِ أَوِ اللَّوْحِ ‏"‏ ‏.‏ فَكَتَبَ ‏:‏ ‏(‏ لاَ يَسْتَوِي الْقَاعِدُونَ مِنَ الْمُؤْمِنِينَ ‏)‏ وَعَمْرُو بْنُ أُمِّ مَكْتُومٍ خَلْفَ ظَهْرِهِ فَقَالَ هَلْ لِي مِنْ رُخْصَةٍ فَنَزَلَتْ ‏:‏ ‏(‏ غَيْرُ أُولِي الضَّرَرِ ‏)‏ ‏.‏ وَفِي الْبَابِ عَنِ ابْنِ عَبَّاسٍ وَجَابِرٍ وَزَيْدِ بْنِ ثَابِتٍ ‏.‏ وَهَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ وَهُوَ حَدِيثٌ غَرِيبٌ مِنْ حَدِيثِ سُلَيْمَانَ التَّيْمِيِّ عَنْ أَبِي إِسْحَاقَ ‏.‏ وَقَدْ رَوَى شُعْبَةُ وَالثَّوْرِيُّ عَنْ أَبِي إِسْحَاقَ هَذَا الْحَدِيثَ ‏

Narrated Al-Bara' bin 'Azib: That the Messenger of Allah (ﷺ) said: "Bring me a shoulder blade or tablet." Then he wrote: Not equal are those of believers who sit. 'Amr bin Umm Maktum who was behind him said: "Is there an exemption for me?" So the following was revealed: Except those who are disabled. There are narrations on this topic from Ibn 'Abbas, Jabir and Zaid bin Thabit. This Hadith is Hasan Sahih and it is a Hadith that is Gharib from the narration of Sulaiman At-Taimi from Abu Ishaq. And Shu'bah and Ath-Thawri reported this Hadith from Abu Ishaq

حَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنَا يَحْيَى بْنُ سَعِيدٍ، عَنْ سُفْيَانَ، وَشُعْبَةَ، عَنْ حَبِيبِ بْنِ أَبِي ثَابِتٍ، عَنْ أَبِي الْعَبَّاسِ، عَنْ عَبْدِ اللَّهِ بْنِ عَمْرٍو، قَالَ جَاءَ رَجُلٌ إِلَى النَّبِيِّ صلى الله عليه وسلم يَسْتَأْذِنُهُ فِي الْجِهَادِ فَقَالَ ‏"‏ أَلَكَ وَالِدَانِ ‏"‏ ‏.‏ قَالَ نَعَمْ ‏.‏ قَالَ ‏"‏ فَفِيهِمَا فَجَاهِدْ ‏"‏ ‏.‏ قَالَ أَبُو عِيسَى وَفِي الْبَابِ عَنِ ابْنِ عَبَّاسٍ ‏.‏ وَهَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ ‏.‏ وَأَبُو الْعَبَّاسِ هُوَ الشَّاعِرُ الأَعْمَى الْمَكِّيُّ وَاسْمُهُ السَّائِبُ بْنُ فَرُّوخَ ‏.‏

Narrated 'Abdullah bin 'Umar: A man came to Prophet (ﷺ) seeking permission to go for Jihad. So he said: 'Do you have parents (living)? ' He said: 'Yes.' He said: 'Then it is for them that you should perform Jihad.'" [Abu 'Eisa said:] There is something on this topic from Ibn 'Abbas. This Hadith is Hasan Sahih. (One of the narrators) Abul-Abbas is the blind (Al-A'ma) poet (Ash-Sha'ir), from Makkah, and his name is As-Sa'ab bin Farrukh

وصفات الفعل والقدرة والتفرد بالضر والنفع والعطاء والمنع ونفوذ المشيئة وكمال القوة وتدبير أمر الخليقة أخص باسم الرب

فمنشأ الغلط التسوية بين المشيئة والمحبة واعتقادهم وجوب الرضا بالقضاء ونحن نبين ما في الفصلين إن شاء الله تعالى فإن القوة لله جميعا

المثال الأول أن نقول مثل نفس الإنسان في بدنه أعني بالنفس اللطيفة المذكورة كمثل ملك في مدينته ومملكته فإن البدن مملكة النفس وعالمها ومستقرها ومدينتها وجوارحها وقواها بمنزلة الصناع والعملة والقوة العقلية المفكرة له كالمشير الناصح والوزير العاقل

1332 وعن أبي حماد ويقال أبو سعاد ويقال أبو أسد ويقال أبو عامر ويقال أبو عمرو ويقال أبو الأسود ويقال أبو عبس عقبة بن عامر الجهني رضي الله عنه قال سمعت رسول الله صلى الله عليه وسلم وهو على المنبر يقول وأعدوا لهم ما استطعتم من قوة ألا إن القوة الرمي ألا إن القوة الرمي ألا إن القوة الرمي رواه مسلم

السير في طلبها سير في أرض مسبعة والسباحة فيها سباحة في غدير التمساح المفروح به منها هو عين المحزون عليه آلامها متولدة من لذاتها واحزانها من أفراحها

فهذا وأمثاله من الأسباب مع الانهماك في الشهوات هو الذي سد على الخلق سبيل الاستضاءة بأنوار المعرفة والسباحة في بحارها الواسعة فالناس في طلبهم معرفة الله كالمدهوش الذى يضرب به المثل إذا كان راكبا لحماره وهو يطلب حماره والجليات إذا صارت مطلوبة صارت معتاصة

Lack of exercise is a major cause of chronic diseases.: Chronic diseases are major killers in the modern era. Physical inactivity is a primary cause of most chronic diseases. The initial third of the article considers: activity and prevention definitions; historical evidence showing physical inactivity is detrimental to health and normal organ functional capacities; cause versus treatment; physical activity and inactivity mechanisms differ; gene-environment interaction (including aerobic training adaptations, personalized medicine, and co-twin physic

High-Intensity Interval Training and Isocaloric Moderate-Intensity Continuous Training Result in Similar Improvements in Body Composition and Fitness in Obese Individuals.: This study aimed to determine the effects of 12 weeks of isocaloric programs of high-intensity intermittent training (HIIT) or moderate-intensity continuous training (MICT) or a short-duration HIIT (1/2HIIT) inducing only half the energy deficit on a cycle ergometer, on body weight and composition, cardiovascular fitness, resting metabolism rate (RMR), respiratory exchange ratio (RER), nonexercise physical activity (PA) levels and fasting and postprandial insulin response in sedentary obese indi

Web-based intervention to promote physical activity by sedentary older adults: randomized controlled trial.: Background: Physical activity (PA) for older adults has well-documented physical and cognitive benefits, but most seniors do not meet recommended guidelines for PA, and interventions are lacking. Objectives: This study evaluated the efficacy of a 12-week Internet intervention to help sedentary older adults over 55 years of age adopt and maintain an exercise regimen. Methods: A total of 368 sedentary men and women (M=60.3; SD 4.9) were recruited, screened, and assessed online. They were randomize

Effect of exercise referral schemes in primary care on physical activity and improving health outcomes: systematic review and meta-analysis.: Objective: To assess the impact of exercise referral schemes on physical activity and health outcomes. Design Systematic review and meta-analysis. Data sources: Medline, Embase, PsycINFO, Cochrane Library, ISI Web of Science, SPORTDiscus, and ongoing trial registries up to October 2009. We also checked study references. Study selection Design: randomised controlled trials or non-randomised controlled (cluster or individual) studies published in peer review journals. Population: sedentary individ

Physical activity patterns among South-Asian adults: a systematic review.: Physical activity (PA) has many beneficial physical and mental health effects. Physical inactivity is considered the fourth leading risk factor for global mortality. At present there are no systematic reviews on PA patterns among South Asian adults residing in the region. The present study aims to systematically evaluate studies on PA patterns in South Asian countries. A five-staged comprehensive search of the literature was conducted in Medline, Web of Science and SciVerse Scopus using keywords

Reducing the decline in physical activity during pregnancy: a systematic review of behaviour change interventions.: Purpose: Physical activity (PA) typically declines throughout pregnancy. Low levels of PA are associated with excessive weight gain and subsequently increase risk of pre-eclampsia, gestational diabetes mellitus, hypertension disorders, delivery by caesarean section and stillbirth. Systematic reviews on PA during pregnancy have not explored the efficacy of behaviour change techniques or related theory in altering PA behaviour. This systematic review evaluated the content of PA interventions to re

Relapse prediction in schizophrenia through digital phenotyping: a pilot study.

Among individuals diagnosed, hospitalized, and treated for schizophrenia, up to 40% of those discharged may relapse within 1 year even with appropriate treatment. Passively collected smartphone behavioral data present a scalable and at present underutilized opportunity to monitor patients in order to identify possible warning signs of relapse. Seventeen patients with schizophrenia in active treatment at a state mental health clinic in Boston used the Beiwe app on their personal smartphone for up to 3 months. By testing for changes in mobility patterns and social behavior over time as measured through smartphone use, we were able to identify statistically significant anomalies in patient behavior in the days prior to relapse. We found that the rate of behavioral anomalies detected in the 2 weeks prior to relapse was 71% higher than the rate of anomalies during other time periods. Our find…

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Sex-specific effects of docosahexaenoic acid (DHA) on the microbiome and behavior of socially-isolated mice.

Dietary supplementation with the long-chain omega-3 polyunsaturated fatty acid docosahexaenoic acid (DHA) has been shown to have a beneficial effect on reducing the symptoms associated with several neuropsychiatric conditions including anxiety and depression. However, the mechanisms underlying this effect remain largely unknown. Increasing evidence suggests that the vast repertoire of commensal bacteria within the gut plays a critical role in regulating various biological processes in the brain and may contribute to neuropsychiatric disease risk. The present study determined the contribution of DHA on anxiety and depressive-like behaviors through modulation of the gut microbiota in a paradigm of social isolation. Adult male and female mice were subjected to social isolation for 28days and then placed either on a control diet or a diet supplemented with 0.1% or 1.0% DHA. Fecal pellets wer…

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Critical role of CA1 muscarinic receptors on memory acquisition deficit induced by total (TSD) and REM sleep deprivation (RSD).

Aim: Despite different theories regarding sleep physiological function, an overall census indicates that sleep is useful for neural plasticity which eventually strengthens cognition and brain performance. Different studies show that sleep deprivation (SD) leads to impaired learning and hippocampus dependent memory. According to some studies, cholinergic system plays an important role in sleep (particularly REM sleep), learning, memory, and its retrieval. So this study has been designed to investigate the effect of CA1 Cholinergic Muscarinic Receptors on memory acquisition deficit induced by total sleep deprivation (TSD) and REM sleep deprivation (RSD). Method: A modified water box (locomotor activity may be provide a limiting factor in this method of SD) or multiple platforms were used for induction of TSD or RSD, respectively. Inhibitory passive avoidance apparatus has been used to dete…

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Lipopolysaccharide administration induces sex-dependent behavioural and serotonergic neurochemical signatures in mice.

Challenging the innate immune machinery with the pro-inflammatory agent lipopolysaccharide (LPS) results in the development of a sickness syndrome characterized by numerous depressive-like behavioural and physiological manifestations, most of which overlap with the clinical symptoms of major depression. Although women are known to mount stronger pro-inflammatory responses during infections and being at higher risk to develop depressive disorders compared to men, the vast majority of experimental studies investigating the neurobiological effects of LPS administration have been conducted in males. Herein, we investigated the behavioural effects of LPS administration (0.83mg/kg) in male and female C57BL/6J mice subjected to tests screening for alterations in locomotor activity (open field test), anorexia (food consumption), anhedonia (sucrose preference test), behavioural despair (forced sw…

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A Nigro-Vagal Pathway Controls Gastric Motility and Is Affected in a Rat Model of Parkinsonism.

Background & aims: In most patients with Parkinson's disease, gastrointestinal (GI) dysfunctions, such as gastroparesis and constipation, are prodromal to the cardinal motor symptoms of the disease. Sporadic Parkinson's disease has been proposed to develop after ingestion of neurotoxicants that affect the brain-gut axis via the vagus nerve, and then travel to higher centers, compromising the substantia nigra pars compacta (SNpc) and, later, the cerebral cortex. We aimed to identify the pathway that connects the brainstem vagal nuclei and the SNpc, and to determine whether this pathway is compromised in a rat model of Parkinsonism. Methods: To study this neural pathway in rats, we placed tracers in the dorsal vagal complex or SNpc; brainstem and midbrain were examined for tracer distribution and neuronal neurochemical phenotype. Rats were given injections of paraquat once weekly for 3 wee…

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Strain- and context-dependent behavioural responses of acute alarm substance exposure in zebrafish.

We investigate the behavioural responses of wild type (WT) and leopard (leo) zebrafish elicited by alarm substances of conspecifics at three contexts: during the exposure period (Experiment 1); after exposure, in habituation to novelty (Experiment 2); or after exposure, in the light-dark preference test (Experiment 3), and analyse their influence on pigment response. During the exposure, leo showed decreased vertical drifts, increased number and duration of erratic movements, while WT had increased erratic movements and latency to enter the top. In the novel tank, we observed that angular velocity decreased in WT exposed to alarm substance, which also presented increased fear responses. Contrastingly, leo increased the number of entries and time in top, indicating differences in habituation profile. Alarm substance increased the number of erratic movements in the light-dark test, but eli…

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Alteration of behavior and monoamine levels attributable to Lactobacillus plantarum PS128 in germ-free mice.

Probiotics, defined as live bacteria or bacterial products, confer a significant health benefit to the host, including amelioration of anxiety-like behavior and psychiatric illnesses. Here we administered Lactobacillus plantarum PS128 (PS128) to a germ-free (GF) mouse model to investigate the impact of the gut-brain axis on emotional behaviors. First, we demonstrated that chronic administration of live PS128 showed no adverse effects on physical health. Then, we found that administration of live PS128 significantly increased the total distance traveled in the open field test and decreased the time spent in the closed arm in the elevated plus maze test, whereas the administration of PS128 had no significant effects in the depression-like behaviors of GF mice. Also, chronic live PS128 ingestion significantly increased the levels of both serotonin and dopamine in the striatum, but not in th…

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Bidirectional modulation of anxiety-related and social behaviors by amygdala projections to the medial prefrontal cortex.

The basolateral amygdala (BLA) and the medial prefrontal cortex (mPFC) modulate anxiety and social behaviors. It remains to be elucidated, however, whether direct projections from the BLA to the mPFC play a functional role in these behaviors. We used optogenetic approaches in behaving mice to either activate or inhibit BLA inputs to the mPFC during behavioral assays that assess anxiety-like behavior and social interaction. Channelrhodopsin-2 (ChR2)-mediated activation of BLA inputs to the mPFC produced anxiogenic effects in the elevated plus maze and open field test, whereas halorhodopsin (NpHR)-mediated inhibition produced anxiolytic effects. Furthermore, activation of the BLA-mPFC pathway reduced social interaction in the resident-intruder test, whereas inhibition facilitated social interaction. These results establish a causal relationship between activity in the BLA-mPFC pathway and …

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Age-related changes in behavior in C57BL/6J mice from young adulthood to middle age.

Background: Aging is considered to be associated with progressive changes in the brain and its associated sensory, motor, and cognitive functions. A large number of studies comparing young and aged animals have reported differences in various behaviors between age-cohorts, indicating behavioral dysfunctions related to aging. However, relatively little is known about behavioral changes from young adulthood to middle age, and the effect of age on behavior during the early stages of life remains to be understood. In order to investigate age-related changes in the behaviors of mice from young adulthood to middle age, we performed a large-scale analysis of the behavioral data obtained from our behavioral test battery involving 1739 C57BL/6J wild-type mice at 2-12 months of age. Results: Significant behavioral differences between age groups (2-3-, 4-5-, 6-7-, and 8-12-month-old groups) were fo…

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The effects of catastrophizing on central motor activity.

Background: Pain catastrophizing significantly affects an individual's experience of pain. High pain catastrophizing is associated with increased fear avoidance behaviours, pain intensity and disability. The aim of this investigation was to determine the effect of pain catastrophizing on ongoing brain activity and movement-evoked brain activity during acute orofacial muscle pain. Methods: Thirty-four healthy, pain-free subjects were recruited. In 17 subjects, the effect of catastrophizing on regional brain activity was determined. In 19 subjects, functional magnetic resonance imaging was used to determine the effects of pain catastrophizing on brain activation patterns during jaw movements in the presence of ongoing pain. Results: We found that in the presence of pain, catastrophizing was significantly correlated with activity in multi-sensory integrative brain regions, including the dor…

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Maternal separation induces neuroinflammation and long-lasting emotional alterations in mice.

Early life experiences play a key role in brain function and behaviour. Adverse events during childhood are therefore a risk factor for psychiatric disease during adulthood, such as mood disorders. Maternal separation is a validated mouse model for maternal neglect, producing negative early life experiences that result in subsequent emotional alteration. Mood disorders have been found to be associated with neurochemical changes and neurotransmitter deficits such as reduced availability of monoamines in discrete brain areas. Emotional alterations like depression result in reduced serotonin availability and enhanced kynurenine metabolism through the action of indoleamine 2, 3-dioxygenase in response to neuroinflammatory factors. This mechanism involves regulation of the neurotransmitter system by neuroinflammatory agents, linking mood regulation to neuroinmunological reactions. In this con…

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Decreased emotional reactivity of rats exposed to repeated phase shifts of light-dark cycle.

Disturbed light-dark (LD) cycles are associated with circadian disruption of physiological and behavioural rhythms and in turn with an increased risk of disease development. However, direct causal links and underlying mechanisms leading to negative health consequences still need to be revealed. In the present study, we exposed male Wistar rats to repeated phase shifts of LD cycle and analysed their ability to cope with mild emotional stressors. In experiment 1, rats were submitted to either a regular 12:12 LD cycle (CTRL rats) or 8-h phase delay shifts applied every 2days for 5weeks (SHIFT rats). Subsequently, the behaviour was examined in the open-field, black-white box and elevated plus maze tests. In experiment 2, changes in blood pressure (BP), heart rate (HR) as well as the activity of autonomic nervous system were measured in telemeterised rats in response to open-field and black-w…

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Default mode network connectivity during task execution.

Initially described as task-induced deactivations during goal-directed paradigms of high attentional load, the unresolved functionality of default mode regions has long been assumed to interfere with task performance. However, recent evidence suggests a potential default mode network involvement in fulfilling cognitive demands. We tested this hypothesis in a finger opposition paradigm with task and fixation periods which we compared with an independent resting state scan using functional magnetic resonance imaging and a comprehensive analysis pipeline including activation, functional connectivity, behavioural and graph theoretical assessments. The results indicate task specific changes in the default mode network topography. Behaviourally, we show that increased connectivity of the posterior cingulate cortex with the left superior frontal gyrus predicts faster reaction times. Moreover, i…

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The striatum multiplexes contextual and kinematic information to constrain motor habits execution.

The striatum is required for the acquisition of procedural memories, but its contribution to motor control once learning has occurred is unclear. We created a task in which rats learned a difficult motor sequence characterized by fine-tuned changes in running speed adjusted to spatial and temporal constraints. After training and extensive practice, we found that the behavior was habitual, yet tetrode recordings in the dorsolateral striatum (DLS) revealed continuous integrative representations of running speed, position and time. These representations were weak in naive rats that were hand-guided to perform the same sequence and developed slowly after learning. Finally, DLS inactivation in well-trained animals preserved the structure of the sequence while increasing its trial-by-trial variability. We conclude that, after learning, the DLS continuously integrates task-relevant information …

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A single pair of neurons links sleep to memory consolidation in Drosophila melanogaster.

Sleep promotes memory consolidation in humans and many other species, but the physiological and anatomical relationships between sleep and memory remain unclear. Here, we show the dorsal paired medial (DPM) neurons, which are required for memory consolidation in Drosophila, are sleep-promoting inhibitory neurons. DPMs increase sleep via release of GABA onto wake-promoting mushroom body (MB) α'/β' neurons. Functional imaging demonstrates that DPM activation evokes robust increases in chloride in MB neurons, but is unable to cause detectable increases in calcium or cAMP. Downregulation of α'/β' GABAA and GABABR3 receptors results in sleep loss, suggesting these receptors are the sleep-relevant targets of DPM-mediated inhibition. Regulation of sleep by neurons necessary for consolidation suggests that these brain processes may be functionally interrelated via their shared anatomy. These fin…

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Obese-type gut microbiota induce neurobehavioral changes in the absence of obesity.

Background: The prevalence of mental illness, particularly depression and dementia, is increased by obesity. Here, we test the hypothesis that obesity-associated changes in gut microbiota are intrinsically able to impair neurocognitive behavior in mice. Methods: Conventionally housed, nonobese, adult male C57BL/6 mice maintained on a normal chow diet were subjected to a microbiome depletion/transplantation paradigm using microbiota isolated from donors on either a high-fat diet (HFD) or control diet. Following re-colonization, mice were subjected to comprehensive behavioral and biochemical analyses. Results: The mice given HFD microbiota had significant and selective disruptions in exploratory, cognitive, and stereotypical behavior compared with mice with control diet microbiota in the absence of significant differences in body weight. Sequencing-based phylogenetic analysis confirmed the…

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Nitric oxide involvement in the antidepressant-like effect of ketamine in the Flinders sensitive line rat model of depression.

Objective: We investigated whether the nitric oxide (NO) precursor, L-arginine, can prevent the antidepressant-like action of the fast-acting antidepressant, ketamine, in a genetic rat model of depression, and/or induce changes in the glutamate (Glu)/N-methyl-D-aspartate receptor (NMDAR)/NO/cyclic guanosine monophosphate (cGMP) signalling pathway. Hereby it was evaluated whether the NO signalling system is involved in the antidepressant mechanism of ketamine. Methods: Flinders sensitive line (FSL) rats received single i.p. injections of ketamine (15 mg/kg) with/without pre-treatment (30 min prior) with L-arginine (500 mg/kg). Depression-like behaviour was assessed in the forced swim test (FST) in terms of immobility, and the activation state of the Glu/NMDAR/NO/cGMP pathway was evaluated ex vivo in the frontal cortex and hippocampus regions in terms of total constitutive NOS (cNOS) activ…

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Prenatal stress-induced alterations in major physiological systems correlate with gut microbiota composition in adulthood.

Early-life adverse experiences, including prenatal stress (PNS), are associated with a higher prevalence of neurodevelopmental, cardiovascular and metabolic disorders in affected offspring. Here, in a rat model of chronic PNS, we investigate the impact of late gestational stress on physiological outcomes in adulthood. Sprague-Dawley pregnant dams were subjected to repeated restraint stress from embryonic day 14 to day 20, and their male offspring were assessed at 4 months of age. PNS induced an exaggeration of the hypothalamic-pituitary-adrenal (HPA) axis response to stress, as well as an elevation of blood pressure and impairment of cognitive function. Altered respiratory control was also observed, as demonstrated by increased variability in basal respiratory frequency and abnormal frequency responses to both hypoxic and hypercapnic challenges. PNS also affected gastrointestinal neurode…

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The thalamic reticular nucleus is activated by cortical spreading depression in freely moving rats: prevention by acute valproate administration.

This study investigated the effect of repetitive cortical spreading depression (CSD) on behaviour and the anatomical and physiological patterns of cellular activation of cortical and subcortical areas in awake, moving rats. Rat behaviours in response to repetitive CSD events evoked by the application of KCl were quantified with electrophysiological recording. Immunohistochemistry was used to quantify anatomical regions of cellular activation. The effects of acute valproic acid administration on the behavioural parameters and cellular activation were evaluated. CSD significantly decreased locomotor activity and induced freezing in awake, moving rats, and stimulated c-Fos expression in the cortex, trigeminal nucleus caudalis (TNC), and amygdala. CSD also resulted in a prominent increase in c-Fos expression in the ipsilateral thalamic reticular nucleus (TRN) visual sector. Electrophysiologi…

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Bifidobacteria modulate cognitive processes in an anxious mouse strain.

Increasing evidence suggests that a brain-gut-microbiome axis exists, which has the potential to play a major role in modulating behaviour. However, the role of this axis in cognition remains relatively unexplored. Probiotics, which are commensal bacteria offering potential health benefit, have been shown to decrease anxiety, depression and visceral pain-related behaviours. In this study, we investigate the potential of two Bifidobacteria strains to modulate cognitive processes and visceral pain sensitivity. Adult male BALB/c mice were fed daily for 11 weeks with B. longum 1714, B. breve 1205 or vehicle treatment. Starting at week 4, animals were behaviourally assessed in a battery of tests relevant to different aspects of cognition, as well as locomotor activity and visceral pain. In the object recognition test, B. longum 1714-fed mice discriminated between the two objects faster than a…

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The risk for behavioural deficits is determined by the maternal immune response to prenatal immune challenge in a neurodevelopmental model.

Background: Schizophrenia is a highly disabling psychiatric disorder with a proposed neurodevelopmental basis. One mechanism through which genetic and environmental risk factors might act is by triggering persistent brain inflammation, as evidenced by long-lasting neuro-immunological disturbances in patients. Our goal was to investigate whether microglia activation is a neurobiological correlate to the altered behaviour in the maternal immune activation (MIA) model, a well-validated animal model with relevance to schizophrenia. A recent observation in the MIA model is the differential maternal body weight response to the immune stimulus, correlated with a different behavioural outcome in the offspring. Although it is generally assumed that the differences in maternal weight response reflect differences in cytokine response, this has not been investigated so far. Our aim was to investigat…

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Vagus nerve stimulation delivered during motor rehabilitation improves recovery in a rat model of stroke.

Neural plasticity is widely believed to support functional recovery following brain damage. Vagus nerve stimulation paired with different forelimb movements causes long-lasting map plasticity in rat primary motor cortex that is specific to the paired movement. We tested the hypothesis that repeatedly pairing vagus nerve stimulation with upper forelimb movements would improve recovery of motor function in a rat model of stroke. Rats were separated into 3 groups: vagus nerve stimulation during rehabilitation (rehab), vagus nerve stimulation after rehab, and rehab alone. Animals underwent 4 training stages: shaping (motor skill learning), prelesion training, postlesion training, and therapeutic training. Rats were given a unilateral ischemic lesion within motor cortex and implanted with a left vagus nerve cuff. Animals were allowed 1 week of recovery before postlesion baseline training. Dur…

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Developmental exposure to concentrated ambient ultrafine particulate matter air pollution in mice results in persistent and sex-dependent behavioral neurotoxicity and glial activation.

The brain appears to be a target of air pollution. This study aimed to further ascertain behavioral and neurobiological mechanisms of our previously observed preference for immediate reward (Allen, J. L., Conrad, K., Oberdorster, G., Johnston, C. J., Sleezer, B., and Cory-Slechta, D. A. (2013). Developmental exposure to concentrated ambient particles and preference for immediate reward in mice. Environ. Health Perspect. 121, 32-38), a phenotype consistent with impulsivity, in mice developmentally exposed to inhaled ultrafine particles. It examined the impact of postnatal and/or adult concentrated ambient ultrafine particles (CAPS) or filtered air on another behavior thought to reflect impulsivity, Fixed interval (FI) schedule-controlled performance, and extended the assessment to learning/memory (novel object recognition (NOR)), and locomotor activity to assist in understanding behaviora…

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Immune activation promotes depression 1 month after diffuse brain injury: a role for primed microglia.

Background: Traumatic brain injury (TBI) is associated with a higher incidence of depression. The majority of individuals who suffer a TBI are juveniles and young adults, and thus, the risk of a lifetime of depressive complications is a significant concern. The etiology of increased TBI-associated depression is unclear but may be inflammatory-related with increased brain sensitivity to secondary inflammatory challenges (e.g., stressors, infection, and injury). Methods: Adult male BALB/c mice received a sham (n = 52) or midline fluid percussion injury (TBI; n = 57). Neuroinflammation, motor coordination (rotarod), and depressive behaviors (social withdrawal, immobility in the tail suspension test, and anhedonia) were assessed 4 hours, 24 hours, 72 hours, 7 days, or 30 days later. Moreover, 30 days after surgery, sham and TBI mice received a peripheral injection of saline or lipopolysaccha…

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Juvenile manifestation of ultrasound communication deficits in the neuroligin-4 null mutant mouse model of autism.

Neuroligin-4 (Nlgn4) is a member of the neuroligin family of postsynaptic cell adhesion molecules. Loss-of-function mutations of NLGN4 are among the most frequent, known genetic causes of heritable autism. Adult Nlgn4 null mutant (Nlgn4(-/-)) mice are a construct valid model of human autism, with both genders displaying a remarkable autistic phenotype, including deficits in social interaction and communication as well as restricted and repetitive behaviors. In contrast to adults, autism-related abnormalities in neonatal and juvenile Nlgn4(-/-) mice have not been reported yet. The present study has been designed to systematically investigate in male and female Nlgn4(-/-) pups versus wildtype littermates (WT, Nlgn4(+/+)) developmental milestones and stimulus-induced ultrasound vocalization (USV). Neonatal development, followed daily from postnatal days (PND) 4 to 21, including physical dev…

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