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Stop-smoking

03 May 2011

Second hand smoke affects brain

Exposure to secondhand smoke has a direct, measurable impact on the brain - and the effect is similar to that in the brain of the person doing the smoking.

Exposure to secondhand smoke has a direct, measurable impact on the brain - and the effect is similar to that in the brain of the person doing the smoking. In fact, exposure to secondhand smoke evokes cravings among smokers, according to a study.

"These results show that even limited secondhand smoke exposure delivers enough nicotine to the brain to alter its function," said NIDA Director Nora D. Volkow, M.D. "Chronic or severe exposure could result in even higher brain nicotine levels, which may explain why secondhand smoke exposure increases vulnerability to nicotine addiction."

 

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