overweight

Brains of overweight people look 10 years older than those of leaner people.

When looking at 473 people aged between 20 and 87, it has been found that overweight people have significantly less white matter in their brain. This is especially apparent in middle-aged people, suggesting that our brains can be especially vulnerable during these years of aging.

There was no difference in how the lean vs. overweight groups scored in tests of knowledge and understanding. Researchers say more work is needed in following people to see who develops conditions such as dementia.

They also were not sure if obesity affected the brain, or if the brain affected the obesity. They are still trying to figure out which came first, the chicken or the egg. While we know a tremendous amount about the negative impact of obesity on the body, we are just starting to understand what it does to the brain.

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