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

The literature has suggested that marijuana smoking increases the risk of head and neck cancer and lung malignancies, and that these tumors tend to develop earlier and behave more aggressively in marijuana smokers.

We noticed several younger patients who had developed transitional cell carcinoma were similar in that they all shared a history of marijuana smoking.

Perhaps men not motivated to quit smoking for fear of heart attack or lung cancer will be motivated by this. It may be difficult to quit smoking, but it almost invariably proves far more difficult to live with the consequences of not doing so.

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.