Statins are drugs usually used to reduced people's cholesterol. However, a study of 1,674 Mexican Americans over the age of 60 by researchers at the University of Michigan School of Public Health has found that they may also reduce people's risk of dementia. During the five-year study 27% of the participants took a statin drug and a total of 130 people developed dementia or cognitive impairment. After allowing for other risk factors such as education, smoking, diabetes and stroke the study found that statin users were about half as likely to develop dementia.
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