Frontiers Hepatic DNA Damage Induced by Electronic Cigarette Exposure Is Associated With the Modulation of NAD+ PARP1 SIRT1 Axis Vaping causes similar DNA damage to smoking as study links e cigarettes to cancer risk Iraqi News Agency E liquides sel de nicotine SMOK IT A major new review of more than 100 scientific studies is raising serious concerns about vaping. Researchers found growing evidence that e cigarettes are likely linked to lung and oral cancers, along with