What's bad for heart may be bad for brain

August 4, 2009 Researchers in Finland and California found that high cholesterol levels in midlife were associated with increased risk of Alzheimer's disease and other forms of dementia many years later. They found that cholesterol levels of 240 or higher in middle age were associated with a 66 percent higher incident of Alzheimer's decades later. With cholesterol readings between 200-and-239, the risk of Alzheimer's disease was 52 percent.

The study appears online in the journal Dementia and Geriatric Cognitive Disorders.

A separate study found that smokers were 70 percent more likely to develop dementia than non-smokers.

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