Prevalence of smoking effect on breathlessness among north Indian student

Smoking is commonest addictive behavior worldwide. youngester are mostly active in this behaviour.A cross-sectional study was conducted among 532 college students in north india and MMRC scale was use to identify their level of breathlessness.outof 532 students, 58% were smokers in which 34.21% were regular smokers and 24.62% were occasional smokers. It was showed that 81.32% of regular smoker felt breathlessness sooner than non smokers.dysponea shows strong realtion with smoking behaviour.