steroids are a poweful drug which can cause an immedite boost of energy. They are physical and are not addictive. You can stop, but it is indeed harmful to your body and one shouldn't risk it.
An addiction is both.
No, they're not physically addictive. They may become habit forming or mentally addictive though.
no..it isn't.
Steroids. That's it. Just like the "addictive substance" in heroin is heroin, the addictive substance in steroids is the steroids themselves.
Yes, it is an opiate - and like other opiates it is physically and mentally addictive.
Not physically, but slightly mentally. This means that if you smoke every day for a year and stop, you wont really feel much physically. Mentally it depends why you were using it. For example, if you used it as a crutch socially, it might be slightly mentally addictive. In general though marijuana is not addictive, physically or mentally.
Extacy is only mentally addictive, not physically. so it all depends on how much you like it.
Mentally and physically.
Marijuana is not physically addictive, and their for it does not contain an "addictive ingredient"
Steroids are in a class of their own. Stimulants are generally physically addictive, while steroids are not. Yes, they may stimulate muscle recovery, but this does not make them a stimulant.
Yes, heroin is an opiate and is physically addictive.
Do you mean psychologically or PHYSICALLY addictive
If the glue is a strong glue, the inhalance most likely will become addictive. Also, it is very dangerous to your body. It is more mentally addictive than physically