When we are talking about heroin overdose we must have in mind several factors. The same quantity can be for an user a normal dose and for another one an overdose, then we must consider the purity of heroin and the amount of other drugs that have been added to it. However, users have died [...]

 
As with any other drugs, the body builds up a tolerance for heroin. The addict will have to use larger amounts in order to achieve the high. In time, the addict will have to take heroin several times per day trying to avoid the withdrawal symptoms. The repeated use leads to addiction, whether you are [...]