Body composition refers to the relative proportion of body fat to lean body mass. Genetics, growth, diet, and exercise influence an individual's body composition. Essential body fat plays important roles like adapting to temperature changes, protecting organs, and storing energy. Healthy body composition, with body fat percentages within recommended ranges for teens, provides benefits like improved health, appearance, and longevity. Excess body fat increases risks for diseases such as cardiovascular issues, diabetes, and certain cancers.

1. Body Composition The relative proportion of body fat to lean body mass.

2. Factors that influence body comp Genetics Growth and development Diet Exercise

3. Essential Body Fat Helps the body adapt to heat and cold Protects bones and organs from injury Works as stored energy

4. % Essential Fat Teen girls should have between 17% and 32% body fat. Teen boys should have between 10% and 25% body fat.

5. Healthy Body Comp = Healthy body image More lean body mass Increased predicted longevity Higher HDL Cholesterol (good cholesterol) Improved personal appearance Less likely to develop atherosclerosis

6. High % of body fat= high risk for Cardiovascular disease Diabetes Osteoporosis Certain cancers High blood pressure Tiring more easily and quickly