Sara has recently joined a sports club and her parents are noticing some changes in her behavior. Which of these indicates that Sara might be using performance-enhancing drugs? stunted growth increased muscle mass skin infections high blood pressure

Which of the following statements best describes an opportunistic infection (ol)? a. ols are common only to people with healthy immune systems b. ols are more frequent in the earlier stages of hiv c. ols are the common cause of death of people with hiv/aids d. ols can be deadly to perfectly healthy people.