On the heels of the FDA's admission that Chantix, Pfizer's smoking cessation drug, may aggravate heart problems in those with cardiovascular disease, new research suggests that they're not the only ones at risk. Chantix may increase the risk of heart attack and other adverse events for those with a clean bill of cardiovascular health.
Though concerns over Chantix' effect on the heart were raised during the drug's approval process in 2006, the FDA's recent move to include a cardiovascular warning in the drug's safety information marks the first time the organization has publicly discussed such potential risks. It's a move that is a long time coming for Dr. John Spangler, co-author on the new research, a meta-analysis published Monday in the Canadian Medical Association Journal.
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