Which of the following substances is NOT a neurotransmitter commonly implicated in mental disorders?

Studies show that in the United States, each employee spends an average of how many hours per year on personal calls during work hours?

A. 10 B. 65 C. 300 D. 0

One way in which the body will cope with increased stress is to increase the secretion of ________

A) fructose B) morphine C) cortisol D) oxytocin