The system of glands that secrete chemicals into the bloodstream that help control bodily functioning is the

An insurance company is interested in the most effective treatment for acute depression. Based on recent research, what is the best advice that one could give to the company?

a. "Medication, interpersonal psychotherapy, and cognitive-behavioral treatments are all equally effective." b. "Interpersonal psychotherapy is far more effective than either medication or cognitive-behavioral therapy." c. "Belief in treatment is enough—even placebo pills are as effective as psychotherapy or medication." d. "Only antidepressant medication is effective."

Currently, the main cause of preventable deaths in the United States is

a. smoking. b. unsafe sexual behavior. c. alcohol abuse. d. obesity.