Disposable e cigarettes and their nicotine delivery, usage pattern, and subjective effects in occasionally smoking adults Scientific Reports CHEST A new research statement published in the May 2026 issue of the journal CHEST identifies four research questions regarding e cigarette Instagram Have you been thinking about trying vapes or e cigarettes? Think again! Most e cigarettes contain nicotine and other harmful substances. Some products claiming to be nicotine free have been found to contain nicotine. Nicotine Vaping Isn't 'Creating Next Generation of Addicts' and More! INFOGRAPHIC: How Dangerous Are E Cigarette Ingredients?