After people have taken ecstasy, their blood contains unusually high concentrations of vasopressin. As levels of this hormone increase, the body retains more water diluting the sodium and other salts in the blood. This can swell the brain causing damage to the brain and nerve tissue. The proportion of eighth graders reporting any use of Ecstasy in the prior 12 months rose from 1.7 percent in 1999 to 3.1 percent in 2000. Among 10th-graders, the use of Ecstasy rose from 4.4 percent to 5.4 percent, and among 12th graders from 5.6 percent to 8.2 percent. Ecstasy then, would be used by more American teen-agers today than is

Marijuana is usually smoked in the form of loosely rolled cigarettes called "joints" or hollowed out commercial cigars called "blunts." Joints and blunts are sometimes laced with a number of adulterants including phencyclidine (PCP), substantially altering the effects and toxicity of these products. Street names for marijuana include pot, grass, weed, Mary Jane, Acapulco Gold, and reefer.

of obesity, but their therapeutic use is limited. The central nervous system (CNS) actions that result from taking even small amounts of Methamphetamine includes increased wakefulness increased physical activity, decreased appetite, increased respiration, hypothermia, and euphoria. Other CNS effects include irritability, insomnia, confusion, tremors, convulsions, anxiety, paranoia, and aggressiveness. Hypothermia and convulsions can result in death. Methamphetamine is also known as "speed" or "crystal" when it is swallowed or sniffed; as "crank" when it is injected; and as "ice" or "glass" when it is smoked. Ice is clear chunky crystals that resemble ice. All forms of Methamphetamine are extremely dangerous and induce long-lasting, debilitating effects. Methamphetamine has a high potential for abuse and dependence.

LSD was synthesized in 1938 by a chemist working for Sandoz Laboratories in Switzerland. It was developed initially as a circulatory and respiratory stimulant. However, no extraordinary benefits of the compound were identified and its study was discontinued. In the 1940's, interest in the drug was revived when it was thought to be a possible treatment for schizophrenia. Because of LSD's structural relationship to a chemical that is present in the brain and its similarity in effect to certain aspects of psychosis, LSD was used as a research tool in studies of mental illness.

$8.00 bulk quantity U.S. (wholesale).

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