alking has been shown to release endorphins. Endorphins are a natural substance that your body releases to give you an overall sense of happiness.
High intensity aerobic exercise like running, bicycling, or kick boxing requires you to focus on what you are doing. When you are focused on what you are doing it takes your mind off stress in your life and helps you burn calories.
Social interaction can help to keep your mind and body focused when you are having a conversation with others. Some people really benefit from exercising with others.
Yoga is a popular form of stress relief since it uses your mind, body and spirit all in one exercise. You increase your flexibility, strength and breath control to help you to feel relaxed.
No matter what exercise you are doing your body will release stress hormones. As you exercise you loose weight and gain a new confidence in yourself that allows you to feel more relaxed.
Exercise helps you to ward off those feelings of anxiety and depression. As you exercise you feel better about yourself and become more relaxed so the anxious and depressed feelings will slowly melt away leaving you feeling happier and healthier.