Smoking linked to higher risk of dementia study
<p>Sydney, Australia: Current smokers face a higher risk of dementia, according to an Australian-led review of more than 2 million people, which calls for brain health to feature more prominently in anti-smoking campaigns.</p> <p>Led by Australia's Curtin University, the study examined the link between smoking and three forms of dementia, including all-cause dementia, Alzheimer's disease…
An Australian-led study of over 2 million people suggests current smokers have a higher risk of dementia, prompting calls to incorporate brain health into anti-smoking efforts. Led by Curtin University, the systematic review and meta-analysis of 61 studies found current smokers face a 31 percent increased risk of dementia, a 40 percent higher risk of Alzheimer's, and a 52 percent higher risk of vascular dementia compared to lifelong non-smokers.
The research, published in eClinicalMedicine, also revealed the more cigarettes smoked daily, the greater the dementia risk - 16 percent higher for 10 cigarettes a day and 34 percent higher for 20. Former smokers did not show increased dementia risk compared to never-smokers, though the study cannot confirm smoking causation. Researchers urge inclusion of brain health in smoking cessation campaigns, warnings, and quit programs.
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