@clssfds: #Health Why do extreme athletes like Dean Potter risk their lives? - LA Times http://www.latimes.com/science/sciencenow/la-sci-sn-dean-potter-risk-motivation-20150518-story.html …, see more http://tweetedtimes.com/MedHealthNews?s=tnp …

#Health Why do extreme athletes like Dean Potter risk their lives? - LA Times http://www.latimes.com/science/sciencenow/la-sci-sn-dean-potter-risk-motivation-20150518-story.html …, see more http://tweetedtimes.com/MedHealthNews?s=tnp …