The nurse knows that the young adult patient understands the health risks that affect his/her age ...

ANS: C
Lifestyle habits that activate the stress response increase the risk of illness. Smoking is a well-documented risk factor for pulmonary, cardiac, and vascular disease in smokers and in individuals who receive secondhand smoke. The presence of certain chronic illnesses in the family increases the family member's risk of developing a disease. Family risk is distinct from hereditary disease. Caffeine is a naturally occurring legal stimulant that is readily available. Caffeine stimulates catecholamine release, which, in turn, stimulates the central nervous system; it also increases gastric acid secretion, heart rate, and basal metabolic rate.