Smoking speeds up mental decline

( chronic tobacco use is harmful to the brain )

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In the elderly years, the rate of mental decline is up to five times faster in smokers than in nonsmokers, according to a study of 9,200 men and women over age 65.

Participants took standardized tests used to detect mental impairment when they entered the study and again two years later. Higher rates of mental decline were found in men and women smokers -- and in persons with or without a family history of dementia or Alzheimer's disease.

Smoking likely puts into effect a vicious cycle of artery damage, clotting and increased risk of stroke, causing mental decline.

The bottom line: The study provides substantial evidence that chronic tobacco use is harmful to the brain and speeds up onset of Alzheimer's disease. ...http://www.phillytrib.com

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