There are many components to a healthy lifestyle, including nutrition, healthy environments, avoiding tobacco, and regular exercise. Exercise is one factor that can help prevent obesity, and it helps fight chronic diseases such as heart disease and diabetes. Regular exercise is also connected to our psychological health, as it can improve our mood and boost energy levels. And for some, it might even be the answer to a good night’s sleep. Americans get less exercise now than ever, yet the need may be the greatest as rates of obesity and chronic diseases are at all time highs.