10:02am

Mon August 8, 2011
Science/Health

Smoking/Radon Top Cancer Causes

It's odorless, tasteless, invisible and deadly. And it occurs naturally. Radon is the second leading cause of lung cancer, according to Timmy Green, a radon specialist for the Lake Cumberland District Health Department and environmental services officer for the Green County Health Department. The No. 1 cause of lung cancer is smoking.