hai doctor ,my father having smoking in30 years daily 10 cigaratte,so he have pain in chest ,but doctor is asked heart is good may be lever problem ,but u must stop the cigaratte.my father is telling i dont forget this habbit .so how to stop the cigaratte pls tell me ,any medicine same like supari type is there pls inform me .this treatment which hospital is best in chennai ,pondicherry