Prof. Robert Shmerling explains why you shouldn’t toss your floss http://hvrd.me/bNju303mJxC via @HarvardHealthpic.twitter.com/arSOp23D13
3:01 PM - 21 Aug 2016
0 replies
16 retweets
19 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.