Pfizer’s Chantix is now available in U.S. pharmacies. The FDA approved Chantix, a prescription aid to smoking cessation, in May. Those who take Chantix will be offered the opportunity to enroll in a behavioral modification program called Getquit Support Plan at no cost. Pfizer developed the plan with help from smoking cessation experts. When a smoker takes Chantix as part of their efforts to quit, it is believed that the medication binds to the same receptors to which nicotine would b...