Mobile and motel-based methamphetamine labs have caught the attention of both the US news media and the police. Such meth labs can cause explosions and fires, and expose the public to hazardous chemicals. The number of 12-17 year olds admitted to treatment for meth addiction more than doubled between 1994 and 2004. Research suggests that people who used ecstasy at least 25 times had lowered serotonin levels for as long as a year after quitting. 2) To make it water soluble (it does not dissolve well in water unless converted to cocaine hydrochloride). The drug (in hydrochloride form) can be used for injecting or snorting into the bloodstream. | 
