If you're like most folks, when you hear that someone has lung cancer, you probably assume he's a smoker. But there's more to it than that.
The truth is you can get the disease even if you've never put a cigarette to your lips. There are lots of reasons why this can happen, but if you take the right steps you can cut down your risk.
First, pay attention to some of the things that bring on lung cancer when you don't have the tobacco habit.
Secondhand smoke. There are two types: the stuff...