Running barefoot produces less foot stress
BOSTON, Jan. 27 (UPI) -- People can run barefoot on hard surfaces without the slightest discomfort and pain -- if they develop some calluses on the feet, a U.S. researcher says. Study co-author Daniel E. Lieberman, professor of human evolutionary biology at Harvard University and colleagues at... Sign in to see full entry.
![Associated Content](http://www.associatedcontent.com/user/8835/mandaleesrc="http://www.associatedcontent.com/images/house_ads/cp-sp6.gif" border="0"></a>){kind=link}