The Energetic component in Champix, varenicline, interferes Using the brain’s receptors that happen to be stimulated by nicotine. It mimics how nicotine will work, by marginally stimulating the receptors in the Mind to lower the effects of cravings and withdrawals.????? ??????? ???????? ?? ??????? ?? ??????? ????? ??? ??? ???? ????? ????? ?? ???