How Tobacco, Vaping, and Smokeless Products Affect Cancer Risk Does Vaping Cause Cancer? Exploring the True Dangers of Vapes Many students believe that vaping harmless, which is far from the truth. Vape pens can contain potentially harmful substances such as chemicals linked to lung disease, cancer causing chemicals, heavy metals such as Irish Cancer Society position on e cigarettes Irish Cancer VAPING IS NOT SAFE AND THE CANCER WARNING IS NOW MUCH STRONGER For years, vaping was sold as the safer option. But safer than cigarettes does not mean safe. A major Vaping Student Health & Well Being