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तमाखू के पत्तों से प्राप्त की है जो तंबाकू विशेष रूप से फेफड़ों को मानव शरीर के लिए बहुत हानिकारक है जो निकोटीन होता है. सिगरेट से प्राप्त धुआं धूम्रपान न करने के साथ ही श्वसन यंत्र के लिए हानिकारक है. तंबाकू चबाने मौखिक कैंसर पैदा कर सकता है.
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Tobacco which is obtained from the leaves of Nicotiana tabacum contains nicotine which is very harmful to the human body especially to the lungs. The smoke obtained from cigarettes is harmful to the smoker as well as the inhaler . Chewing tobacco can cause oral cancer
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bt can u tell me in hindi?????
I'm sorry dear ....I don't have a Hindi keypad
Cancer is the major harmful attack  
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