Doctor

Páginas: 4 (891 palabras) Publicado: 5 de marzo de 2013
What is cocaine?
Cocaine is a strong central nervous system stimulant that interferes with the reabsorption process of dopamine, a chemical messenger associated with pleasure and movement. Thebuildup of dopamine causes continuous stimulation of neurons "receptor", which is associated with euphoria. However, the body reacts by producing depressants causing strong emotional isolation (dysphoria)that forces the person with the effect of inhaled cocaine to consume more and more cocaine.
Uses and found ways
Cocaine is a stimulant that works by modulating dopamine, a neurotransmitter that isfound in certain areas of the brain and neurons. It has been called the drug-seventies, eighties and nineties by its popularity and use during those decades. However, cocaine is not a new drug.Actually, in existence for over 100 years, while coca leaves have been used for thousands of years and not as a recreational stimulant powerful, but as a medicinal herb and for the preparation of infusions.In the mid-nineteenth century, was first extracted pure cocaine leaf Erythroxylon plant that grows primarily in Peru and Bolivia. In the early twentieth century, cocaine became the main ingredient inmost of the tonics and elixirs that were developed to treat numerous diseases, including Vin Mariani. Today is a drug classified under Schedule I7 in the U.S. ("Schedule I") along with othersubstances such as LSD. Their illegal status prevents their use in humans under any circumstances, even if you have medical uses and in other countries like the UK for example is used as a local anesthetic incertain types of surgeries of the eyes, ears and throat. Its stimulating effect is much lower in the potency and duration of amphetamine, although the latter does have a legal status in the UnitedStates. Basically there are two chemical forms of cocaine salts and cocaine crystals (as free base). Hydrochloride, the most common form of powder cocaine, dissolves in water and, when abused, can be...
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