One thing to consider when attempting to increase daily physical activity for health is to:

a. avoid vigorous exercise if you are elderly

b. monitor your heart rate and stay well below your maximum

c. seek a doctor's advice if you have a serious chronic illness.

d. begin by engaging in strength activities once or twice a month.

e. begin slowly by only exercising one to two days a week

How does drinking alcohol or using drugs put a person at risk for hiv infection? a. they improve judgment, which makes it more likely for people to engage in risky behavior. b. they impair judgment, which makes it more likely for people to engage in risky behavior. c. they impair judgment, which makes it less likely for people to engage in risky behavior. d. they improve judgment, which makes it less likely for people to engage in risky behavior.