Fatty foods makes us obese, causes cognitive impairment

Fatty foods makes us obese, causes cognitive impairment
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Highlights

High-fat diet may not only make us obese, but also cause cognitive impairment by prompting immune cells in the brain to consume the connections between neurons, a new study has warned.

High-fat diet may not only make us obese, but also cause cognitive impairment by prompting immune cells in the brain to consume the connections between neurons, a new study has warned.

Going back on a low-fat diet for just two months, at least in mice, reversed this trend of shrinking cognitive ability as weight begins to normalise, said corresponding author Alexis M Stranahan, from the Medical College of Georgia in the US.

“Microglia eating synapses is contributing to synapse loss and cognitive impairment in obesity,“ Stranahan said. The study provides some of the first evidence of why fat is bad for the brain. The study was published in the journal Brain, Behaviour, and Immunity.
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