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ABSTRACT
Smoking is defined as the inhalation of the burning of tobacco of cigarette, pipes or cigar (Leone, 1995). Pulmonary function test (PFT) measure how well the lungs inhale and exhale air and flow efficiently and how they transfer oxygen into the blood (WHO, 2011). The peak respiratory flow rate (PEFR) measurement is a simple and reliable way of judging the degree of airway obstruction in various obstructions in various obstructive lung diseases, especially asthma. It is easily measured using a spirometry. The aim of this study is to understand how cigarette smoking affects the PEFR amongst young adult. Group A: control (non-smokers), Group B: young adult that have been smoking 0-6 months (acute smokers) and Group C: young adult that have been smoking 6 months above (chronic smokers). The result shows that there was a significant decrease in the peak expiratory flow rate of the smokers (both acute and chronic) regardless of the time they started smoking compared to the peak expiratory flow rate of non smokers (control). In this study it was observed that the peak expiratory flow rate was greatly affected on the result of the smokers compared to non smokers. Hence smokers should be informed that regardless of the time, cigarette smoking causes harm to the lungs.
