title: On call. I've taken up running, and I've lost 10 pounds and gained lots of energy. My knees feel fine, but I worry: is running safe for my joints?
authors.forename: Harvey B
authors.initials: HB
authors.lastname: Simon
mesh_terms: D006801:Humans; D007592:Joint Diseases / Q000517:prevention & control*; D008297:Male; D012420:Running / Q000502:physiology*