High cholesterol levels raise Alzheimer's risk

Monday, April 21, 2008
Image: Getty

According to new research, if you're in your fourties and have high cholesterol you may have an increased chance of developing Alzheimer's disease later in life.

Hot on the heels of a study that confirmed having a big belly increased the risk of Alzheimer's comes more research that suggests middle-aged people with high cholesterol levels are also at risk.

The statistics
The study found that people aged between 40 and 45 who had high cholesterol levels were 50 percent more likely to develop Alzheimer's later in life compared to those with low cholesterol levels.

The danger zone
The results were frightening. People with total cholesterol levels between 249 and 500 milligrams were one-and-a-half times more likely to develop the mind-altering illness than those with cholesterol levels less than 198 milligrams. People with total cholesterol levels of 221 to 248 milligrams were more than one-and-a-quarter times more likely to develop the disease.

Other risk factors
Dr Alina Solomon, a researcher from the University of Kuopio in Finland who helped lead the study, says cholesterol is just one piece of the puzzle and that there are other factors that put people at risk of developing this common form of dementia. She lists hypertension and obesity high on the list, and warns, ''The more risk factors you have, the higher the risk gets''.

What you can do
Lack of physical activity, obesity and cardiovascular disease can all contribute to high cholesterol. But eating more fresh fruit and vegetables, combined with regular exercise, can lower your levels — there are also cholesterol-lowering drugs available.

''The association between cholesterol and cardiovascular disease is well known,'' says Solomon. ''What we now know is that minding your heart may protect your brain as well.''



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