Does vaping (using e cigarettes) make a difference to our health and are there harms with second hand vaping? iHealth Facts While vaping is not risk free, it is less harmful than tobacco Our World in Data Electronic Nicotine Delivery Systems (ENDS), including e cigarettes and vapes, are often perceived as a safer alternative to traditional tobacco. But is the evidence really supporting this belief? A recent umbrella review published Health effects of electronic cigarettes: A review British Columbia Medical Journal Vaping Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology