Question

what can cause attention deficit hyperactivity disorder (adhd)?
a. low levels of gamma - amino butyric acid
b. low levels of serotonin
c. low levels of endorphins
d. low levels of acetylcholine

Explanation:

Research links ADHD to imbalances in neurotransmitters. Low serotonin levels are associated with symptoms like inattention, impulsivity, and hyperactivity that characterize ADHD, making it the correct choice among the options.

Answer:

B. low levels of serotonin