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How Long Does Chantix Stay In Your System?

Chantix (Varenicline) is a drug marketed by Pfizer for the treatment of nicotine addiction.  It functions as a selective, competitive partial agonist at α4β2 (alpha-4-beta-2) nAChRs.  Competitive partial agonism at the α4β2 receptors decreases the binding of nicotine to these receptors, thereby modulating the release of dopamine in the mesolimbic pathway as triggered by nicotine …

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