This is a short summary of the paper
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Drug Abuse
Start of Term Paper
is generally defined as the use of a drug with such frequency
that the user has physical or mental harm or it impairs social abilities. The
substances that are discussed in this report are called psychoactive drugs;
those drugs that influence .... Middle of Term Paper
... the brain called neurotransmission.
This is when a brain cell releases a signal 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. Repeated use changes the brain cells so that
normal messages can't be sent between brain cells. The drug must always be
present in order for neurotransmissions to take place. The user is only able to
feel pleasure from the cocaine rather than the things he/sh ... |
| Number of Words: 1524 |
Approximate Pages: 6 |
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