Obesity #'s rising

From USA Today. Of course this adds to the nation's health costs.

The new projection, released here Monday, warns that 42% of Americans may end up obese by 2030, and 11% could be severely obese, adding billions of dollars to health care costs.

"If nothing is done (about obesity), it's going to hinder efforts for health care cost containment," says Justin Trogdon, a research economist with RTI International, a non-profit research organization in North Carolina's Research Triangle Park.

• MORE: BMI calculator

As of 2010, about 36% of adults were obese, which is roughly 30 pounds over a healthy weight, and 6% were severely obese, which is 100 or more pounds over a healthy weight.