The increase in waist size can affect the brain, writes New Scientist, referring to scientific research.
Obesity is associated with an increased risk of type 2 diabetes, which is known to be associated with a decline in cognitive abilities. "Therefore, Antonio Convit from the Department of Medicine at New York University decided to find out what effect obesity has had on the physical structure of the brain," reads the article.
Using magnetic resonance imaging, he compared the brains of 44 obese patients to the brain of 19 slender people of the same age.
He found that obese patients have more fluid in the amygdala - the part of the brain responsible for eating behavior. He also found that they have less orbital frontal cortex, responsible for pulse control, and also involved in food behavior, which may mean that they have fewer neurons or these neurons less.
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