A disturbing new study about this country's teens: what they weigh and what it means for their future.

FOX News Radio's Jane Metzler reports:

Half this country's overweight teens and 60% considered obese have high blood pressure, high cholesterol levels or high blood sugar. The number considered diabetic or pre-diabetic up dramatically from 9% in 1999 to 21% in 2008.

(May) "We need future studies to determine what's happening and if we'll continue to see this increase."

Dr. Ashleigh May with the CDC also finding 37% of normal weight kids have one heart disease risk factor.

One optimistic note, the percentage of obese teens hasn't increased and...

(May) "It's never too late to make changes."

Jane Metzler, FOX News Radio.