increase levels of HDL or "good" cholesterol
lower high blood pressure
help improve body composition by burning fat
promote bone density
boost the immune system
improve mood and reduce the chance of depression
Exercise is really important for our bodies to stay healthy and keep in good working order; exercise reduces stress, strengthens muscles and joints, and helps us to control our weigh; young people who are active say that physical activity helps them unwind after school and feel more energetic; exercise can help you meet up with old friends and make new ones; studies show that people's activity levels tend to decline with age. So if you know you are not an active person, now is the time to do something about it.