Depression is one of the most common mental disorders in the US, affecting how a person thinks, feels, and functions. It has many negative consequences like affecting quality of life and increasing health risks. Exercise has been shown to be an effective preventative method and treatment for depression. Regular exercise can reduce symptoms of mild to moderate depression as much as medication or therapy. It works by reducing stress, improving mood through the release of endorphins, and enhancing self-esteem. The document recommends exercising for 20-30 minutes 3-5 times per week in order to help reduce risks of depression and gain various mental and physical health benefits.