Alzheimer's: HDL is good for brain
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In addition to being good for the heart, high levels of so-called "good"cholesterol may protect against Alzheimer's disease, U.S. researchers said on Monday.
They found people over 65 who had the highest levels of high-density lipoprotein or HDL were 60 per cent less likely to develop Alzheimer's disease over four years than people with the lowest HDL levels.
And it did not seem to matter if people had high HDL levels naturally or if they took widely used drugs called statins to increase "good" cholesterol levels, the researchers found.
The study points to a potential means of preventing Alzheimer's, an incurable brain-wasting disease that affects 26 million people globally and costs $604 billion to treat.
By raising HDL, "you can probably lower the frequency of Alzheimer's disease in the population," said Dr. Christiane Reitz of Columbia University's Taub Institute in New York, whose study appears in the Archives of Neurology.
Her team studied 1,130 people over 65 who were white, black or Hispanic and lived in New York City. Most were covered by Medicare, the federal insurance program for the elderly.
When they started the study, the volunteers had no history of memory or thinking problems. Over the course of the study, the team used medical and neurological data and did neuropsychological testing to diagnose Alzheimer's disease. Read more: canada.com
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