Doubling your odds of kicking the habit.
D006801:Humans; D008875:Middle Aged; D009538:Nicotine / Q000008:administration & dosage*; D018722:Nicotinic Agonists / Q000008:administration & dosage*; D008517:Phytotherapy; D012907:Smoking / Q000523:psychology; D000074606:Smoking Prevention
D018722:Nicotinic Agonists; D009538:Nicotine