Nicotine in e cigarettes reduces NAD and SIRT1 levels in mice. No surprise. I once ordered a vial of nicotine (to test on SIRT1) and there was a big skull printed on the Tobacconist calls for nicotine e cigarettes to be legal The Courier Mail E Cigarettes Nicotine Free Milwaukee, WI Pediatric Gumbeaux The Epidemic Before the Pandemic: E Cigarette and Vaping Associated Lung Injury New York to ban flavored e cigarettes after illnesses, deaths Nation postguam.com