Vitamin D may lead to a longer life, the number of U.S. high school students smoking cigarettes has dropped to its lowest level in 22 years -- and more. Alexis Christoforous reports on the day's top ... more 
Vitamin D may lead to a longer life, the number of U.S. high school students smoking cigarettes has dropped to its lowest level in 22 years -- and more. Alexis Christoforous reports on the day's top health headlines. less 
1 / 20
CBSTV Videos
Fri, Jun 13, 2014 7:55 AM EDT