Exposure to the sun's rays normally generates Vitamin D in the skin, but applying sun block stops that process.

BBC: Rickets warning over breastfeeding

Protein acts like a building block for your muscles and skin and organs.

CNN: What's the danger of an all-fruit diet?

Cosmetics, hair care companies Kenra, Sexy Hair and Alterna, and skin care brand Perricone MD, rumored to be on the block since May.

FORBES: Does L'Oreal Have A Beauty Secret That No One Else Knows?