When you are doing physical activity and becoming physically fit, you will see benefits in the following categories: arms, legs, and brain. physical, mental/emotional, and social. phone use, tv use, and cooking.

Explain how unhealthful weight loss or weight gain can lead to further weight loss or weight gain.

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)

When children are young and go to the doctor, the doctor will give them booster shots. this re-exposes the children to a dead portion of a disease to them build immunity.