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Smoke causes dementia, but just stop

Australian study analyzes brain function elderly smokers

(ANSA) - SYDNEY, 10 FEB - An Australian study shows that smoking accelerates the mental decline. But stopping it will reverse the damaging effects. The study measured the brain function of 229 elderly people who were trying to quit smoking and 98 non-smokers. The smokers had lost a disproportionate number of cells in brain regions important for memory and active thinking. Those who had failed to stop slipped twice more in the mental decline 'rapidly than nonsmokers.

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