Heroin is part of a 'group' of drugs known as opiates that come from the opium poppy.
heroin is a class 'A' Drug which means that If you are caught in possession of this drug, you could spend 7 years in prison. But if you are caught supplying this drug, you have a chance of spending life in prison with an unlimited fine.
The harmful effects of heroin:
You feel tired and sweaty, and your breathing becomes heavy and uneven. If you get a particularly pure or unpure dose, it can kill you, or whoever is using, even if it is your first time using. Using it with alcohol, or other drugs, can be fatal, also