Cigarette Tar PMI Science Scripps Health E cigarettes remain the most commonly used tobacco product among middle and high school students in the United States, according to the Instagram Toxicological Aspects Associated with Consumption from Electronic Nicotine Delivery System (ENDS): Focus on Heavy Metals Exposure and Cancer Risk Vaping exposes you to thousands of chemicals, including many that are known to cause cancer and lung disease. Study Suggests E Cigarettes May Cause Cancer Technology Networks More cancer causing chemicals found in electronic cigarettes The Verge