Methamphetamine, Narconon Gives Meth Facts Pt 2.

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What is Meth? Powder Methamphetamine, commonly called speed or crank, is a central nervous system stimulan...
What is Meth? Powder Methamphetamine, commonly called speed or crank, is a central nervous system stimulant that has a crystalline appearnce much like salt. It is often found in blocks or chunks that look like thick peanut butter brittle. Depending on the way it is made it can also be red, pink, yellow, green, or tan. It is produced in illegal clandestine laboratories which are covered more in detail in the sections labeled Meth Labs. The newest and more popular form of Methamphetamine is commonly referred to as “Ice”, “Shards”, or “Crystal”. It looks like tiny pieces of rock salt, crushed ice or small broken pieces of glass which is where it gets its name. It is more potent than the powder form of Methamphetamine and is often smoked to increase the effects of the high. Methamphetamine is a very addictive stimulant drug that affects the central nervous system. It is a Schedule II stimulant, which means it has a high potential for abuse and is available only through a prescription that cannot be refilled. However, its medical uses are limited and the doses prescribed are much lower than those typically abused. Most of the methamphetamine abused in this country comes from foreign or domestic superlabs, although it can also be made in small, illegal laboratories, where its production endangers the people in the labs, neighbors, and the environment. How is Methamphetamine Abused? Methamphetamine is a white, odorless, bitter-tasting crystalline powder that easily dissolves in water or alcohol and is taken orally, intranasally (snorting the powder), by needle injection, or by smoking. How Does Methamphetamine Affect the Brain? Methamphetamine increases the release of very high levels of the brain chemical dopamine, which is involved in motivation, the experience of pleasure, and motor function, and is a common mechanism of action for most drugs of abuse. Chronic methamphetamine abuse significantly changes how the brain functions. Noninvasive human brain imaging studies have shown alterations in the activity of the dopamine system that are associated with reduced motor performance and impaired verbal learning.1 Recent studies in chronic methamphetamine abusers have also revealed severe structural and functional changes in areas of the brain associated with emotion and memory, which may account for many of the emotional and cognitive problems observed in chronic methamphetamine abusers. Long-term methamphetamine abuse can also lead to addiction—a chronic, relapsing disease, characterized by compulsive drug seeking and use, and accompanied by chemical and molecular changes in the brain. Some of these changes persist long after methamphetamine abuse is stopped, and some reverse after sustained periods of abstinence (e.g., 2 years). What Other Adverse Effects Does Methamphetamine Have on Health? Taking even small amounts of methamphetamine can result in increased wakefulness, increased physical activity, decreased appetite, increased respiration, rapid heart rate, irregular heartbeat, increased blood pressure, and hyperthermia. Long-term methamphetamine abuse has many negative consequences, including extreme weight loss, severe dental problems, anxiety, confusion, insomnia, mood disturbances, and violent behavior. Chronic methamphetamine abusers can also display a number of psychotic features, including paranoia, visual and auditory hallucinations, and delusions (for example, the sensation of insects creeping under the skin). Also, transmission of HIV and hepatitis B and C can be consequences of methamphetamine abuse. Among abusers who inject the drug, HIV and other infectious diseases can be spread through contaminated needles, syringes, and other injection equipment that is used by more than one person. The intoxicating effects of methamphetamine, regardless of how it is taken, can also alter judgment and inhibition and lead people to engage in unsafe behaviors. Methamphetamine abuse may also worsen the progression of HIV and its consequences. Studies of methamphetamine abusers who are HIV p...