Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Marijuana and Your Lungs: Is Vaping Safe for People with COPD? I often hear people asking if vaping is truly safer for their teeth and gums. This comparison between vaping and smoking really puts things into perspective! While both pose risks, it's The Impact of E Cigarettes and Asthma: What You Need to Know Mouth to Lung (MTL) Vs Direct Lung (DL) Inhale Explained E Cigarette Direct