How Being Fat Makes You Stupid

http://www.menshealth.com/weight-loss/how-being-fat-makes-you-stupid

Packing on the pounds isn’t just bad for your body—it’s bad for your brain. According to researchers at Carnegie Mellon University, the brains of obese people work harder than those of normal weight people to achieve the same results.

Researchers quizzed 29 people who were having fMRIs and noticed a trend: The connections between the brain parts responsible for memory and decision-making were hyperactive in overweight people, but functioned normally in average weight people, says study author Timothy Verstynen, Ph.D., a professor at Carnegie Mellon University.

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