Jennifer Aniston gets it! In the article she says:
“…going in the sun for 20 minutes a day is really important, Vitamin D, because we are now having a Vitamin D deficiency because of all the SPF.”

Read More http://www.glamour.com/health-fitness/blogs/vitamin-g/2012/10/jennifer-aniston-says-these-su.html#ixzz2AKcDjChW