I think crack has nicotine beat. New evidence also suggests marijuana is more addicting that first thought.
Nicotine.
Nicotine
Nicotine
Yes. Nicotine is one of the most addictive substances known.
An ingredient called nicotine is what is so addicting. Nicotine travels from the lungs, into the bloodstream, and directly to the brain from there, and nicotine causes the brain to demand more of the nicotine, causing the addiction in cigarettes.
meth and crack cocane
Nicotine
I am not sure there is more than one addicting substance but I can tell you that there is nicotine in cigarettes. That is why most smokers dont quit when they want to.
Coca Cola is so addicting because it has a drug, a legal drug, caffeine which is like nicotine, which is in cigarettes, but not as addicting.Coca Cola is so addicting because it has a drug, a legal drug, caffeine which is like nicotine, which is in cigarettes, but not as addicting.So not true! Coca Cola used to have cocane in it tho...but not any more. It's proally addicting to the person who asked this because she/he really loves coke! It's probally just a personal addiction! All soda contains caffeine you dimwit! No offense!no it can easily be put down.
Nicotine
yes tobacco is addicting, there is nicotine in it
it has this ingredient : nicotine . wich makes it addicting.