The Issues of Testing for Secondhand Smoke. Indoor Science Understanding Secondhand Vape Dangers and Their Impact on Your Lungs Health Risks of Secondhand Smoke and Aerosols The difference between smoking, vaping, and using heated tobacco, according to a new scientific study Evidence Mounts About the Health Impact of Second Hand Vaping Bisnar Chase Have you ever breathed in secondhand vapor from a vape? What exactly are you inhaling? It turns out it's a lengthy list of chemicals. FULL STORY