It is also known as hash oil. Marinol is a prescriptive drug which sometimes is administered to cancer patients. The effects of smoking marijuana can be felt 8-9 seconds after inhaling smoke. These same effects may develop from long-term use of the drug, which has also been observed to produce sharp personality changes, especially in adolescent users. The principal active ingredients in many abused volatile solvents is toluene.
Abused aerosols contain various hydrocarbon gasses that produce drug effects.
The two major types of abused CNS stimulants are Cocaine and amphetamines. Most amphetamines are made for medical use, but there are some that are illicitly made such as, methamphetamines and amphetamine sulfate. Cocaine is made from the plants leaves. PCP was developed in the 1950's as an intravenous anesthetic. It was patented and marketed in 1963 under the trade name Sernyl.