Quitting smoking harder for women than for men.
D005260:Female; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D008597:Menstrual Cycle / Q000502:physiology; D009538:Nicotine; D016540:Smoking Cessation / Q000379:methods / Q000523:psychology; D018454:Spouses; D016896:Treatment Outcome
D009538:Nicotine