The question is incomplete as it does not have the options which are:
A. physical imbalances
B. chemical imbalances
C. structural imbalances
D. electrical imbalances
Answer:
B. chemical imbalances
Explanation:
Attention-deficit/hyperactivity disorder is a chronic condition which is characterised during early adulthood or middle adulthood. The person with the disorder are unable to focus, irritable, have low self-esteem and many other features which seems abnormal.
There are many causes identified for the ADHD but the doctor cannot tell if only this is the cause for ADHD in person. One of the reasons for ADHD is the chemical imbalance in the brain which interfere with the neural development in the child.
Thus, Option-B is correct.
