HealthMatch Vaping may be safer than cigarettes, but it's not safe Tobacco use is one of the leading causes of death in the world and is a preventable risk factor of noncommunicable diseases for example cancer and heart disease. There is no safe With vapes or e cigarettes being relatively new in the market, their "long term effects" on the body are yet to be discovered. , But as noted by MakatiMed Pulmonary Medicine Specialist Norman What Happens When You Quit Smoking and Start Vaping? Vape Vs E Cigarette E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS)