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Among the most preventable causes of lung disease worldwide is smoking, yet millions do it every day, believing u201ca few cigarettes wonu2019t harm much.u201d In reality, however, it is far more alarming. Research shows there is no safe level of smoking. Even one cigarette a day starts to alter lung function and damage airways while increasing the long-term risk of severe diseases. At Sikund Diagnostic Centre, Dehradun, over the last 31 years, it has been our endeavour to address Preventive Healthcare through accurate diagnosis, early screening, and education of the patients.