Who would suggest that humans today are genetically predisposed to fear stimuli that may have posed a threat to their ancestors?

__________ is an amino acid that can help people sleep and can be found in a glass of __________.

a. Teratogen; orange juice b. Tetracycline; natural sparkling water c. Tryptophan; milk d. Thalidomide; wine

Nursing women experiencing postpartum depression should _____ the use of antidepressant medications as a form of treatment

a. increase b. decrease c. continue d. consult their doctor concerning