If you can run for 5 minutes a day, you may add years to your life
http://www.latimes.com/science/sciencenow/la-sci-sn-five-minutes-running-per-day-extends-life-20140728-story.html
July 28, 2014
People who jogged or ran for as little as five
minutes a day reduced their risk of premature death by nearly one-third and
extended their lives by about three years, according to a new study.