Think you know it all? Even smart people can make big health mistakes.
You may think you know it all when it comes to your body, but there are plenty of health mistakes even the smartest people make, according to Yahoo! Here are the Top 6:
Tuesday marks 40 years since "Mama" Cass Elliot died at age 32. In honor of The Mamas & the Papas' singer, join us in remembering her and other stars who died too young, some at the height of their careers.