Live Science - 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.
The results, based on brain scans of 94 people in their 70s, represent "severe brain degeneration [1]," said Paul Thompson, senior author of the study and a UCLA professor of neurology.
"The brains of obese people looked 16 years older than the brains of those who were lean, and in overweight people looked 8 years older," Thompson said. Read more [2].
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