Which hormone signals hunger?

Which person is most likely to begin a gradual decline in muscular strength, vision, and hearing?

a) Ray, who is 25 years old b) Gwen, who is 46 years old c) Steve, who is 20 years old d) Georgiana, who is 32 years old

Complications of prenatal development and delivery are more likely to result in

a. depression. b. anxiety disorder. c. obsessive-compulsive disorder. d. early-onset schizophrenia. e. agoraphobia.