As if the whole running thing wasn't enough:
Study: Triathlons can pose deadly heart risks
March 28th, 2009 By MARILYNN MARCHIONE , AP Medical Writer (AP) -- Warning to weekend warriors: Swim-bike-run triathlons pose at least twice the risk of sudden death as marathons do, the first study of these competitions has found.
www.physorg.com/news157482153.html
