One E-Cigarette with Nicotine Leads to Adrenaline Changes in Nonsmokers' Hearts (video) UCLA Health Share Print E-Mail Loading video... Caption A new UCLA study found that healthy nonsmokers experienced increased adrenaline levels in their heart after one electronic cigarette (e-cigarette) with nicotine. The findings are published in Journal of the American Heart Association, the Open Access Journal of the American Heart Association/American Stroke Association. Credit Courtesy: UCLA Health Usage Restrictions Courtesy: UCLA Health Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.