Image may be NSFW.
Clik here to view.
Clik here to view.
Clik here to view.

The HPV vaccine can prevent cervical cancer in women and some cancers in men. It's most effective when given early in adolescence. But a new analysis finds only 29 percent of teens get it by age 13.
(Image credit: The Washington Post/The Washington Post/Getty Images)
Image may be NSFW.Clik here to view.
