Well, for starters, it’s not just tobacco or drinking alcohol, we have tons of other carcinogens which have unfortunately become part of our daily exposure. From food to personal cosmetic products, the plastic keys on the keyboard I’m using to type this very article and the radiation i am exposed to from the screen i am looking at, to the power-lines that power my computer and the wifi signals that connect me to the internet – it’s all unnatural and in some way changing my DNA.