Scientists have found that cells in the mouth and nose respond to different types of infrared light and it has led to the realization that there is a way we could stop the development of lung cancer in a relatively early stage.
Using this test, smokers could learn at a very early stage, what their chances are of having cancer.
In the UK, one in five adults smokes cigarettes and has an increased risk of getting lung cancer. With people who are particularly vulnerable to this disease, the researchers found that cells in their mouth and nose react differently to infrared light.
Scientists have discovered that the cells in the mouth and nose respond to different infrared light.