Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC The impact of e cigarette exposure on different organ systems: A review of recent evidence and future perspectives ScienceDirect Vapes aren't just harmless mist or vaporthey can contain addictive nicotine and chemicals that can harm your lungs, brain, and overall health. Knowing the facts = making informed choices. It's important to Vaping and Electronic Cigarette Toxicity Overview and Recommendations (Project VECTOR) Intrepid Lab