Which is a possible consequence of abusing intravenous drugs such as heroin? a. improved appetites b. hiv transmission c. lung cancer d. alcohol poison

Ihave a really high metabolism and only weigh 70 pounds (13 almost 14). people always ask me two questions: do you ever eat and how do you eat so much and stay so skinny.i am worried that a high metabolism wont me forever. what are some safe steps i can take to maintain being fit. (also, i already work out i am a dacer so i get cardio a lot)

What is the role of osteocytes, osteoblasts, and osteoclasts in bone repair?

Describe the goals of healthy people 2020 and its relationship to nutrition