Nicotine is as addictive as Caffeine. I would point you to look about added susbtances such as sugar, which when burnt produces acetaldehyde which directly st

Nicotine is as addictive as Caffeine. I would point you to look about added susbtances such as sugar, which when burnt produces acetaldehyde which directly stimulate pleasure zones of the brain in less than 15seconds transfer from inhaling to blood.