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 Magasin de cigarette lectronique Vapostore Buchelay Bearn (78) E Cigarette The Vape Giant E cig vapor worsens lung infections in mice Science AAAS Illinois Death Could Be First Linked to Vaping WSJ Electronic Cigarettes Health and Care