A fast-emerging body of scientific evidence points to a conclusion that's unsettling, to say the least, for a lot of older athletes: Running can take a toll on the heart that essentially eliminates the benefits of exercise.
- Nathan Gibbs
RT @oso: New blog post: How I Spend $20 a Month on Unlimited Data, Text and (Int’l) Calls: There are two commonly held as... http://davidsasaki.name/2013...