It's not baby fat: Among 4-year-olds, nearly 1 in 5 is obese
Researchers calculated the body mass index from a sample of 8,550 Hispanic, black, Asian and Native American 4-year-olds. The children were born in 2001, and in 2005, their height and weight were measured -- 18.4 percent of them were obese. Click here for full article.