Conversation so far:
How can I help my friend stop smoking?
Tips for friends and family of a smoker who's trying to quit. ... Do make your home smoke free, meaning that no one can smoke in any part of the ...
What is smoking's long term effects?
Smokers are more likely than nonsmokers to develop heart disease, stroke, and lung cancer. Estimates show smoking increases the risk: For coronary heart disease by 2 to 4 times. For stroke by 2 to 4 times.

Question: Does it cause cancer?
Self-contained rewrite: Does smoking cause cancer?