Low levels of gamma-amino butyric acid can cause attention deficit hyperactivity disorder (ADHD). option A
What is hyperactivity disorder?
Hyperactivity disorder can simply be defined as chronic or serious condition including attention difficulty, hyperactivity and impulsiveness.
So therefore, low levels of gamma-amino butyric acid can cause attention deficit hyperactivity disorder (ADHD).
Therefore, the cause of attention deficit hyperactivity disorder (ADHD) is low levels of gamma-amino butyric acid.
The correct answer is option A
Learn more about hyperactivity disorder:
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