Should I walk or run for my heath?

If you are trying to add more physical activity to your life, then you might be interested in the answer to this question: Should I run or walk for my health?

http://www.fitday.com/fitness-articles/fitness/walking-vs-running-which-one-is-best.html?utm_source=s5_facebook_post&utm_medium=facebook&utm_campaign=s5_82355#b