How does the disposable vape ban work, and how harmful is vaping? Can Vaping Cause Lung Cancer? Here's What We Know. Vaping not only exposes young people to toxic and cancer causing chemicals, it can also have harmful effects on mental health. Our new report found that youth and young adults who vape experience Think vaping is a safer choice? Think again! Vaping may look harmless, but it's loaded with nicotine and toxic substances that can increase blood pressure and raise the risk of heart