Ray Do News Today

Is that the only risk factor, smoking? >> smoking is number one, that accounts for 90% of lung cancer cases. secondhand smoking is also as critical. so, if youre in the area where other people are smoking, you really want to pay attention to it. one of the things that came up is exposure to ray do-- radon, it exists in certain houses, certain states in this country have it, and it has no taste or odor, so its very difficult to detect it. it can come from the water sources in the basement. so, th...