Smoking is the reason behind increased incidence of cancers of lung, urinary bladder etc.... Smoking causes diseases such as * Brochitis * Emphysema *Coronary heart disease * Ulcer * Oxygen deficiency... Smoking causes deadly diseases... as we all know Smoking thrills but kills.. this not just any phrase.. We smoke just for fun nd for addiction, but it costs our life. 
Alcohols nd smoking is fine , but if their use exceeds a limit then it'll cost life of us nd our loved ones .
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