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Cardiovascular risks of varenicline not confirmed. |
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EurekAlert: A popular smoking cessation medication has been under a cloud of suspicion ever since the Canadian Medical Association Journal (CMAJ) published a study in July 2011 reporting "risk of serious adverse cardiovascular events associated with varenicline." Varenicline, also known as Chantix, blocks the pleasant effects of nicotine on the smoker's brain and lessens nicotine withdrawal symptoms. UCSF researchers, however, question the way the previous study was conducted, and their new analysis, scheduled to be published May 4 in BMJ, reaches a very different conclusion.
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