Weight Loss

Here Is What Weight Loss Does To Your Brain

Too much fat weighs down not just your body, but also your brain.Obesity harms most organs in the body, and new research suggests the brain is no exception. What’s more, the researchers found that getting rid of excess fat actually improves brain function, reversing the ill effects of the extra weight. The new study, which focused on people who underwent bariatric surgery, found that the procedure had positive effects on the brain, but other researchhas shown that less invasive weight loss strategies, like exercise, can also reverse brain damage thought to be related to body fat.Here’s why that matters: Obese men and women are estimated to be about 35% more likely to develop Alzheimer’s compared to people of a normal weight.

 

Some research suggests that body fat ups the number of proteins in the brain that trigger a cascade of events that predispose someone to the disease, and other research in mice has suggested that fat cells release a substance called interleukin 1, which can cause severe inflammation and, in turn, gunk up the brain.In a recent study, a team of researchers looked at 17 obese women prior to bariatric surgery and found that their brains metabolized sugars faster than the brains of a control group of women at a normal weight. The women underwent cognitive function tests before their surgery as well as after. The results show that after surgery, the obese women showed improvement in the troubling brain activity seen prior to going under the knife, and they performed better on their cognitive function tests—especially in the area of executive function, which is used during planning and organization.

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