by KYW's medical editor Dr. Brian McDonough
The news that there have been changes in the way certain cigarettes are formulated and the suggestion that this could affect lung diseases is downright frightening.
According to a University of California researcher, up to 50 percent of our nation’s lung cancer cases could be due to this. The research is ongoing, but the thought is that a form of lung cancer called adenocarcinoma may be linked to so called low tar cigarettes that have chemicals called nitrosamines.
Adenocarcinoma attacks small air sacs far deeper in the lungs and the theory is that people who smoke filtered low tar cigarettes need to breathe in deeper to get their nicotine kick. At the present time the nation's total lung cancer cases have inched down as the number of smokers has dropped in recent years, but individual smoker's risk of getting cancer is higher.
The most disturbing aspect is that however you read these reports we are talking about numerous dangerous chemicals being pumped into people’s systems