This either because they don't know the purity of the substance, or they have tried to get clean on their own and are relapsing.
The latter is particularly insidious, as the person will set up the dosage based on habit while their body has lost its resistance to the drug.
This either because they don't know the purity of the substance, or they have tried to get clean on their own and are relapsing.
The latter is particularly insidious, as the person will set up the dosage based on habit while their body has lost its resistance to the drug.