It’s no secret that doctors frequently recommend exercise for patients who are experiencing depression and anxiety. But why? What is it about physical movement that helps us mentally and emotionally? Research has demonstrated that physical activity helps improve mood and decreases sleep complaints. In short, when you move your body, it releases endorphins—the feel-good chemicals that are just waiting to be set free. Aerobic exercise raises your heart rate and core body temperature—it is especially good at releasing endorphins.