Can high cholesterol reduce your risk of dementia?

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Elderly adults with high cholesterol may have a lower risk of cognitive decline.

That's according to a new study from Mount Sinai Hospital in New York City.

It found people over 85 with elevated cholesterol had a 32-percent reduced risk for cognitive decline, compared to those a decade younger. But that doesn't mean older seniors should try to increase their cholesterol.

Researchers say these patients may have some other protective factor that has not been identified.