What is the most important thing you can do to prevent infections? at what times should you do this?

What is the term for bone marrow tumor? osteoma myeloma osteocele osteomyoma

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 dancer so i get cardio a lot)

What type of risk factor for underage drinking includes gang presence and income inequality