Secondhand smoke is known to be associated with cardiovascular disease,which in turn is a known risk factor for dementia,but little research has examined the latter end point with regard to secondhand smoke.Research presented at the 28 April-5 May 2007 annual meeting of the American Academy of Neurology now suggests that increased risk of Alzheimer disease and other forms of dementia may well belong on the long list of potential health effects from chronic exposure to secondhand smoke.
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