Support WBURPut Those Shoes On: Running Won't Kill Your KneesPlay04:14Download AudioPatti NeighmondMarch 28, 2011 SharePaul Rider runs on Mulholland Drive in Los Angeles, March 25, 2011. Researchers say a moderate running regimen is actually beneficial for the joints of people with healthy knees. (Dennis J. Provost for NPR)
