09/25/2009 05:12 am ET Updated Nov 17, 2011

Obese People Have 'Severe Brain Degeneration'

A new study finds obese people have 8 percent less brain tissue than normal-weight individuals. Their brains look 16 years older than the brains of lean individuals, researchers said today.

Those classified as overweight have 4 percent less brain tissue and their brains appear to have aged prematurely by 8 years.

Read more on LiveScience