So here are some reasons we should exercise or exercise more. It really is good for our health. It helps the heart, the circulatory system, the muscles, just about everything benefits from exercise. Regular physical activity also improves alertness and energy. It's good for our mental health, that is, the brain.
Exercise increases endorphins in the brain.
This is a mood elevating chemical. It makes us happier, more positive, gives us a better mental attitude. Exercise increases our intake of oxygen, which is good for our physical well-being and good for our brain, we think better and clearer. In studies at New York City's Baruch College, exercise psychologist Joan Gondola found that college students who ran regularly or took aerobic dance classes scored significantly higher on a standard psychological test of creativity than students who hadn't exercised. Exercise also triggers the release of several key neurotransmitters, including epinephrine and norepinephrine, that are known to boost alertness.