Wearing sunscreen, a hat, or sun-protective clothing won't significantly decrease levels of vitamin D for a "typical healthy person" because most of us don't prevent all our exposure to the sun, said Jean Tang, associate professor of dermatology.http://stanford.io/2Gl8Ly9
0 replies
8 retweets
29 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.