Study: Being overweight could reduce dementia risk

A surprising study shows that being overweight in middle age may reduce the risk of developing dementia.

This is a contradiction to all previous research.

Scientists looked at two million people.

They found the underweight participants were far more likely to develop memory problems.

However, the very obese had a 29 percent lower risk.

The next step is to examine their diets, to see if they might be gaining dementia-fighting nutrients in the extra food they consume.
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