Drug addiction is a disease that originated in the brain of a large number of human beings. The disease is characterized by chronic or long-term, progression and relapse. It should be understood that the addict will remain an addict while living, i.e. the individual is rehabilitated to live without the drug and, thereafter, it will be an addict in remission, will not be using drugs, but remain in that state of abstinence or remission cannot lower our guard.
Drugs are substances whose use may lead to addiction, stimulation or depression of the central nervous system, or due to violations of the civil trial, behavior or mood. Term drug use can be considered from a strictly scientific point of view of the active ingredient, raw materials. In this sense, we can compare the official agents in the field of pharmacology and medicine at the drug, i.e., narcotics and psychotropic substances may be used as synonyms. Drugs are chemicals used in the treatment or prevention of disease. Pharmacology is the science of action and distribution of drugs in humans. The preparations may be obtained from plants, minerals, animals, or by synthesis.
Discussion
Drugs and different drugs are used in medical and non-medical purposes for thousands of years. Opium was known in the ancient world Sumerians, Egyptians, Greeks and as an anesthetic and as a drug that alters the mental state. Dedicated in 1803, morphine - one of the alkaloids in opium - is in the 19 century, the most commonly used anesthetics and drugs. In 1874 was synthesized diacetylmorphine (heroin), which initially also appointed as an anesthetic, and a 20th century became one of the most common drugs. Abuse of codeine contained in opium, has spread in the second half of the 20 century. But never on the scale was it not comparable to the prevalence of thebaism and heroin addiction (Baker, Japuntich, McCarthy and Curtin, 2006).
Hemp (Cannabis) and made from hemp various psychoactive drugs (marijuana, hashish) have been used in China is 5,000 years ago. Psychoactive properties of cannabis have been known to Herodotus. The special distribution of cannabis in the U.S. and Europe was in the 20 century. Currently gashishemaniya is a very common form of drug addiction in Russia and CIS countries.
Ephedrine, a stimulant, has been known in China 5,000 years ago. In the 20 century, became widespread abuse of ephedrine and synthetic analogs of ephedrine (amphetamine, methamphetamine, ephedrone), as well as other derivatives fenilalkilamina. Cocaine was used by the Aztecs and Incas as a stimulant. In Europe and the United States, cocaine abuse has spread in the 20 century. In Russia cocain was circulated in 1920, and then the abuse of this drug stopped and restarted in 1990. In the U.S., increased cocaine abuse began in 1980 (Martin, 211-216).
Abuse of sleeping pills from a group of barbiturates began in the early 20th century. When it became clear that sleeping pills can cause dependence, some barbiturates are considered as ...