Essay on Stimulants

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Stimulants

What is a stimulant? It s a drug that temporarily quickens some vital process as defined in the dictionary. Some stimulants affect only a specific organ such as the heart, lungs, brain, or nervous system, depending on what kind of stimulant it is. There are stimulants that are very harmful and some that actually are made to help people out. Types of stimulants are cocaine, amphetamines, and methamphetamines.

The first stimulant that will be discussed is cocaine. Cocaine is an alkaloid found in leaves of the South American shrub Erythroxylon coca. It is a powerfully reinforcing psychostimulant and the drug induces a sense of exhilaration in the user primarily by blocking the reuptake of the neurotransmitter dopamine in the midbrain. It s a very addictive and dangerous drug that can lead to death.

Coco has been used for many centuries as a "an elixir of life" and "gift of the gods" as quoted by the Incas and Spanish conquistadores. Even the famous Sherlock Holmes said cocaine was "so transcendentally stimulating and clarifying to the mind that its secondary action is a matter of small moment. No wonder people these days can not control themselves from this evil drug.

Cocaine delivers an intensity of pleasure completely outside the normal range of human experience. It offers the most wonderful state of consciousness, and the most intense sense of being alive, the user will ever enjoy. He or she will access heightened states of being whose modes are unknown to chemically-na ve contemporaries. After the feeling of cocaine are felt, the user will crash . This involves anxiety, depression, irritability, extreme fatigue and possibly paranoia. An intense craving for more cocaine develops and the user is addicted.

The symptoms of crack cocaine include bright, staring, shiny eyes, excitation,...