Question

What can cause ADHD ?

A) low levels of gamma-amino butyric acid
B) low levels of serotonin
C) low levels of endorphins
D) low levels of acetylcholine

Answer 1

The answer is C. Low levels of endorphins

Answer 2

I dont know the correct answer but the B) is incorrect

Step-by-step explanation:

plato/edmentum