Cocaine Why Essay
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Why use cocaine? This is a question that perplexes many doctors of medicine and psychology. As an ex user, I feel that this topic is one that I have a personal interest in. I will start by defining what cocaine is. Cocaine is a colorless or white crystalline powder extracted from coca leaves, occasionally used in medicine as a local anesthetic especially for the eyes, nose, or throat and widely used as an illicit drug for its euphoric and stimulating effects. It is a naturally occurring substance derived from the leaves of erythroxylon plants. Cocaine is the world's most powerful and potent CNS stimulant from natural origin. Plants grown at different altitudes produce different levels of the alkaloid. The higher in elevation, the more cocaine is produced. The coca plant is resistant to drought and disease and needs no irrigation. Only two of the seventeen species yield sufficient levels of the cocaine alkaloid to justify mass cultivation for processing into cocaine. These two species, cultivated primarily in Peru, Bolivia, and Columbia, supply the world's cocaine. It also can be harvested four times a year.
Coca leaves have been used before recorded history by South American Indians, so the knowledge is derived totally from archaeological sources. Chewing coca leaves has been associated historically with the religious ceremonies of the Incas and reserved specifically for nobility. The coca plant was considered to be a gift from the gods and it was only used during religious rituals, burials, and other special purposes. By the time the Spaniards arrived in the 16th century, the Incan empire was in decline and the use of the leaves was widespread throughout the empire. The Spaniards tried to prevent the Indians from using the leaves because they believed it was a barrier to conversion to Christianity. Later they paid the Indians with the leaves. It was discovered that the leaves reduced mountain sickness symptoms and they could barely work without them. So it came to be cultivated by the Catholic Church. Returning Spanish conquistadors introduced it to Europe and it was considered an "elixir of life". In 1862, Albert Niemann extracted purified cocaine from a coca base from the coca leaves. In the 1880's and 1890's cocaine was in many elixirs and highly regarded. It was an ingredient in cigars, cigarettes, chewing gum, and several "tonics", most notably Coca Cola. Coca-Cola advertised itself as "the drink that relieves exhaustion". Pope Leo XII, Sherlock Holmes, Thomas Edison, Jules Verne, and Sigmund Freud all endorsed its use. Freud described it as a magical drug. He wrote a song of praise in its honor and practiced self-experimentation. Sherlock Holmes said that cocaine was so transcendentally stimulating and clarifying to the mind that its secondary action is a matter of small moment. Doctors also prescribed cocaine as an antidote to morphine addiction. The abuse of cocaine in the United States was largely non-existent until the 1960's, except among jazz musicians and entertainers.
Cocaine can be processed into four different forms. I am only going to talk about the most predominate one, powdered cocaine. The traditional method of taking cocaine in the West involved "snorting" or insufflating the drug through a thin straw into the mucous membranes of the nasal cavity. It is absorbed into the bloodstream from there. This is not the most efficient route of administering cocaine since it is vasoconstrictive, or constricts the capillaries in the nasal membranes, and reduces the surface area and makes absorption slow and incomplete. However, only 30 to 60 percent is actually absorbed. Also the larger the dose, the larger percentage of the drug is absorbed.
Snorting cocaine produces maximum physiological effects within 40 minutes and maximum psychotropic effects within 20 minutes. Effects are maintained approximately for an...
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