Smoking linked to Alzheimer's
(172 percent increased risk)
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People who smoke heavily in middle age seem to more than double their risk of Alzheimer's disease and other forms of dementia late in life, research suggests. Smoking is a well-established risk factor for stroke, but the link between smoking and risk of Alzheimer's and other types of dementia has been less clear since heavy smokers often die from other ailments before smoking's toll on the brain is evident.
Compared with non-smokers, those smoking more than two packs a day had 2.14 times higher risk of dementia 2.57 times higher risk of Alzheimer's, and 2.57 times higher risk of vascular dementia — another common and sometimes overlapping cause of progressive deterioration of memory and thinking. "This study shows that the brain is not immune to the long-term consequences of heavy smoking," said the study's principal investigator, Rachel Whitmer, a research scientist with the Kaiser Permanente Division of Research in Oakland, Calif. "We know smoking compromises the vascular system by affecting blood pressure and elevates blood clotting factors, and we know vascular health plays a role in risk of Alzheimer's disease," she added in a release. Read more: cbc.ca
Men with prostate cancer can halve their chances of dying by taking aspirin every day, researchers have found. The findings come a week after a study found that healthy people can cut their risk of bowel cancer by taking 75mg of aspirin a day for five years. Read more: dailymail.co.uk
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