There are several different types of substances-but an important substance that causes the addictive nicotine is as colorless and the Lloyd l. nicotine 30 mg can cause people to die. Smoking nicotine is one of the thamdamuan is approximately 15-20 mg. 2 a roll can make people die instantly, but that smoking the laimuan consecutive deaths, because nicotine in cigarette smoke is a minority into the body of the pump.