Secondhand Vape Exposure: Effects, Who's at Risk, and More While vaping is not risk free, it is less harmful than tobacco Our World in Data Smoking and vaping are often compared, but neither is harmless. While they work differently, both can expose the lungs to addictive nicotine and harmful chemicals that impact breathing and overall health. Smoking Vaping vs.Smoking: Which Is Safer in 2024 Q8Vapes 5 Vaping Facts You Need to Know Johns Hopkins Medicine