Obesity is a major health epidemic in the US and is linked to many preventable diseases. Losing weight through diet and exercise is one of the best things a person can do for their health. Effective weight loss requires burning more calories through diet and exercise than are consumed each day. Exercise is vital for weight loss for several reasons - it elevates metabolism, burns additional calories, and releases endorphins to improve mood. Regular exercise, even moderate activity like taking the stairs, can help in weight loss and overall health and wellbeing.