Smoking and its effect on dyspnoea in college going individuals.

Smoking is the most common addictive behaviour worldwide affecting general health of human.The aim of this study is to identify smokers, prevalence among students in North India and severity of dyspnoea among college going students based on their smoking quantities and durations.A cross-sectional study was conducted among 532 college students.Among 532 students, 58% were smokers in which 34.21% were regular smokers and 24.62% were occasional smokers.