Regular exercise is not just a way to keep your body fit and healthy, it can also ease your mind. Many people use exercise as an outlet for their emotions or a way to calm down after a hard day. Try yoga to decrease stress and anxiety. If you are an angry or explosive person, kickboxing or running might help you let off some excess steam. Regardless of what you choose, exercise tends to absorb you completely, meaning you'll stop thinking about your stress, depression or anger and improve your mental health.