Down a Path of Epigenetic Destruction: Smoking Cigarettes Adjusts Critical Marks on DNA What is Epigenetics? What chemicals are in a cigarette? What does smoking do to your body? Cancer Research UK Vaping likely to cause cancer: New research warns A major review led by researchers at UNSW Sydney says nicotine vaping may be linked to both lung cancer and oral E Cigarette effects on oral health: A molecular perspective ScienceDirect