run, jump, learn! how exercise can transform our schools: john j. ratey, md at tedxmanhattanbeach Published 11 years ago • 422K plays • Length 10:44 Download video MP4 Download video MP3 Similar videos 49:12 in spark | dr. john ratey | talks at google 15:15 why exercise is so underrated (brain power & movement link) 7:41 [summary] spark! optimize your brain with exercise - john ratey 31:24 is exercise the best way to turn on your brain? / we asked harvard professor dr. john ratey
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