Smoking or vaping both harm your health., They damage your lungs, strain your heart, weaken immunity, and reduce overall well being., Choosing less harmful doesnt mean choosing safe., Your health Study finds lung cancer in mice exposed to nicotine vaping Vaping, Environmental Toxicants Exposure, and Lung Cancer Risk Vaping and Lung Cancer: Facts and Research Dozens of Young People Hospitalized for Breathing and Lung Problems After Vaping The New York Times