Drug Abuse
Beginning of 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 or alter the workings of the mind, affect moods,
emotio ....
Middle of paper
.... 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 cocain ....
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Word count: 1524
Page count: 6 (approximately 250 words per page)
