Heavy marijuana smoking may raise the risk of lung cancer and several head and neck cancers, according to growing research, ...

He never considered himself a "real smoker." A few cigarettes a day, sometimes less. The kind of habit that feels easy to justify because it doesn't fit the image of heavy smoking most people ...

Add Yahoo as a preferred source to see more of our stories on Google. When you think of lung cancer, you probably think of a disease that only afflicts lifelong smokers. This is just one of the many ...

While it is well known that smoking causes lung cancer, heavy smokers with diabetes are also at increased risk of death from causes other than lung cancer, according to a study being presented next ...