Areas › Focus, starting, and ADHD › What ADHD actually is
Not knowing a child's family history is not evidence against ADHD. Where a child is adopted, a blank family history should keep the question open rather than close it.
Assessment leans a good deal on family history, and adoption often means that history is simply unavailable. An unknown gets read as a negative, which it is not. Work instead from the child in front of you: their own early development, school reports, and what an ordinary week actually looks like at home.
Qur’an and Sunnah
It is He who shapes you all in the womb as He pleases (Quran 3:6). A child's making does not depend on whether anyone is available to describe it.
هُوَ ٱلَّذِي يُصَوِّرُكُمۡ فِي ٱلۡأَرۡحَامِ كَيۡفَ يَشَآءُۚ لَآ إِلَٰهَ إِلَّا هُوَ ٱلۡعَزِيزُ ٱلۡحَكِيمُ
it is He who shapes you all in the womb as He pleases. There is no God but Him, the Mighty, the Wise
Qur’an 3:6read it in the library
Translation: M.A.S. Abdel Haleem, The Qur'an, Oxford University Press, 2004.
What the research says
A review of the genetics of ADHD reports that twin and family studies establish it as substantially heritable, while being clear that it is genetically heterogeneous rather than traceable to one cause. Heritable but not traceable is exactly the point here: family history helps when you have it and rules nothing out when you do not.
Sharp SI, McQuillin A, Gurling HM. (2009). Genetics of attention-deficit hyperactivity disorder (ADHD).. Neuropharmacology doi
Strength of evidence: one line of research. A single study, or a theoretical account.
Why it works
A missing family history removes evidence, it does not supply any.
This one is still a draft. It is waiting on a scholar and a clinician to read it before it is published.
Near this one
ADHD tends to run in families, and the differences in reported rates between countries say more about how a country counts than about its people.
ADHD does not look the same in two people. If someone tells you that you cannot have it because you are calm, or organised at work, or did well at school, they are describing one version of it.
The parts of the brain that plan and hold back keep developing into the mid twenties, so the person struggling at nineteen is not the finished version. Real gains come with time, though they do not add up to becoming someone without ADHD.