When a person suffers from more than one mental disorder at a time, the person is said to be

One explanation for lithium's effectiveness is that it acts directly on the brain's:

A)second messenger system B)serotonin system. C)hippocampus. D)caudate nucleus.

Throwaway adolescents make up about ________ of all runaways

A) 75% B) 20% C) 5% D) 50%