Sir Francis Bacon recognized that there was some thing quite addictive about tobacco way again in 1610, stating that it’s a tough behavior to kick – people today back then didn't understand about the addictive character of nicotine or that nicotine was even a part of tobacco. DNA. Arsenic, https://broadfar.com/oraco-pioneering-a-smokeless-future-with-innovative-nicotine-delivery/