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Sunday, April 14, 2013

Drug Abuse

Drug Ab hire

        Drug Abuse is generally defined as the use of a drug with such frequency that the user has somatogenetic or mental harm or it impairs social abilities. The substances that ar discussed in this report are called psychoactive drugs; those drugs that influence or alter the workings of the mind, affect moods, emotions, feelings, and thinking processes.

Drug Dependence/Addiction

        thither are three basic characteristics that indicate that the user is unfree on a drug. First, the user continues to use the drug for an drawn-out period of time. Second, the user finds it difficult to stop using the drug. They whitethorn drop out of school, steal, go to jail, lose their jobs, or go away their families in order to keep using. Finally, the user has withdrawal symptoms when drug use is stopped. They may undergo physical pain or mental distress.

         The drug mimics a natural process in the learning ability called neurotransmission. This is when a brain cell releases a subscribe to another brain cell. The signal then returns to the first brain cell. The signal is called a neurotransmitter. One major neurotransmitter is called dopamine, which is involved in feelings of pleasure. When the drug is released into the brain, it blocks the dopamine from returning to the first brain cell.

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iterate use changes the brain cells so that normal messages cant be direct between brain cells. The drug must always be present in order for neurotransmissions to take place. The user is just now able to feel pleasure from the cocaine rather than the things he/she used to find pleasurable. This is called drug addiction or dependence.

Drug Classification

Drugs are generally categorized into two groups, stimulants and depressants. Stimulants are drugs that speed up signals through the nervous system. They produce alertness, arousal and excitability. They...

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