Statistics indicate that anywhere from 125 and 203 million people worldwide have used marijuana at least once in the past year.
Inhalants known to cause severe liver and kidney damage are toluene-containing substances and chlorinated hydrocarbons, such as correction fluids and dry cleaning fluids.
Studies indicate that violent death is at least four times as common among regular users of amphetamines as it is among non-users who are of the same age and sex.
OxyContin use may aggravate convulsions in patients who are predisposed to seizures.