is pure tobacco cancerous and cancer Health Effects of Cigarettes: Cancer

"If you use tobacco, the most important step you can take for a healthier and longer life is to quit

RATE THIS EXAMPLE FROM "BENEFICIAL" TO "HARMFUL" BENEFICIAL HARMFUL Translate to other languages Quit Smoking For These Reasons Background Information This shows a cigarette with points on why you should stop smoking around it

It is a ten-billion-dollar-a-year consumer product, from which federal and state governments derive almost four billion dollars a year in tax revenues, and tobacco advertising has accounted for about eight per cent of the entire advertising revenues of the television networks

And why do over 45 million American adults still smoke, even though they may try quitting many times

Cigarette smoking causes 80%-90% of lung cancer deaths in the United States

Further reading "Electronic nicotine delivery systems" (PDF)