6.4 International treaty on tobacco control International treaty on tobacco control国际烟草控制公约 Framework Convention on Tobacco Control《烟草控制框架条约》 The World Health Organization (WHO) Bring .into force Second-hand smoke Violate a national constitution6.4 International treaty on tobacco control ◼ International treaty on tobacco control 国际烟草控制公约 ◼ Framework Convention on Tobacco Control 《烟草控制框架条约》 The World Health Organization (WHO) Bring . into force Second-hand smoke Violate a national constitution