Nicotine
Steroids. That's it. Just like the "addictive substance" in heroin is heroin, the addictive substance in steroids is the steroids themselves.
The addictive substance
YES. suboxone is an addictive substance.
Apex :) Nicotine is the addictive substance that is found on tobacco.
No it is not cosidered an addictive substance. It can be craved but not to be mistaken and taken to the level of addiction
Ethyl alcohol (C6H5OH) is the addictive substance.
false. Marijuana is psychologically addictive. There is not a addictive substance in marijuana
Nicotineprobably nicotine
nicotine
This substance is nicotine.
Nicotine.
Caffeine