Bottom line, in your judgment, and in Brown & Williamson's judgment, does smoking cause lung cancer?

The biggest issue with lung cancer, as we know, is that smoking is the number one cause of lung cancer. Without a doubt, 85 percent of all lung cancer deaths are caused from smoking,

Saying sulfates do not cause acid rain is the same as saying that smoking does not cause lung cancer.

Cancer seems a high price to pay for an innocuous-looking habit. You get into smoking and you are robbed of the last 25 years of your life. Some cocky souls will say, 'Ah yes, but they are the worst 25 years.' Nobody feels like that in a cancer ward. There are no cocky souls in a cancer ward. But there's a lot of pain, not just of the excruciating physical kind that they shoot you full of morphine to smother. There are a lot of tears. All round. It is hard to say goodbye to the people you love. And it's scary. Cancer wards have a way of knocking the cockiness out of you. And for what? Another cigarette?

If they are getting chemotherapy for their bladder cancer and smoking marijuana to increase their appetite, they may be undoing the benefits of chemotherapy.

Smoking appears to confer a modest elevation in breast cancer risk, ... Certainly this relationship is not as strong as the relationship between smoking and lung cancer or smoking and heart disease, but breast cancer may be another disease to add to the long list of diseases associated with smoking.