Terrific post, go read it. For each reason the author provided literature.
21 Powerful Reasons To Exercise
Just a few examples, I leave it up to you to figure out why I did choose these examples
- Bone strength and prevention of osteoporosis.
- Better night sleep: time-proved "Insomnia Rx".
- Alternative to hormone replacement therapy for postmenopausal women.
- New brain cells development (neurogenesis).