The big idea my brother inspired Jamie Heywood on

When Jamie Heywood‘s brother was diagnosed with ALS, he devoted his life to fighting the disease as well. The Heywood brothers built an ingenious website where people share and track data on their illnesses — and they discovered that the collective data had enormous power to comfort, explain and predict. (Recorded at TEDMED, October 2009, San Diego, California. Duration: 16:55)

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