Your fitness tracker says you burned 300 calories. Should you trust it? Probably not, suggests a @StanfordMed study: http://stanford.io/2qTWauH pic.twitter.com/mYwheyjUtd
11:38 AM - 6 Jun 2017
0 replies
8 retweets
25 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.