Secondhand Vapor vs. Secondhand Smoke: Which Is More Harmful? Secondhand Smoke Exposure Increases Kidney Disease Risk, Study Finds Secondhand Vape Exposure: Effects, Who's at Risk, and More Secondhand Vape Exposure: Effects, Who's at Risk, and More Smok Nord 2 Pod Kit 1500mAh Pure E Liquids The difference between smoking, vaping, and using heated tobacco, according to a new scientific study