Drug addiction is a state of periodic or chronic intoxication produced by the repeated consumption of a drug (natural or synthetic). Its characteristics include: an overpowering desire or need (compulsion) to continue taking the drug and to obtain it by any means; a tendency to increase the dose; a psychic (psychological) and generally a physical dependence on the effects of the drug; and detrimental effects on the individual and on society. Heroin as well as some other drugs are of the most well known types of drugs.
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Heroin is a semi-synthetic opiate derived from morphine. Intravenously-injected heroin causes a rush of powerful euphoria lasting a few minutes, followed by sedation lasting a few hours. When injected intramuscular or insufflated, there is a slower onset and a less intense peak of effects.
Heroin is primarily produced in Colombia, Mexico, Southeast Asia , and Afghanistan. Depending on how it is processed, it ranges from a thick sticky "black tar" to a brown, tan, or white powder. Street material varies greatly in potency from as high as 95% purity to as low as 5 or 10% purity. Heroin is most commonly injected (intravenously, intramuscularly, or subcutaneously), smoked, or insufflated (snorted).
The effects of heroin vary greatly depending on the quality of material, route of administration, the person, and the dose.
Possible effects may include feelings of euphoria and well-being, relaxation, sedation, and analgesia. Negative effects may include nausea or vomiting , constipation, dizziness, and blackout.
Heroin use can cause death by respiratory failure. Several factors can increase the risk of overdose, including the strong tolerance effects that develop with repeated use. Tolerance effects wear off over time, and users who take a break may find that a previously-safe dose is now dangerously large. The purity of street heroin is also highly variable (and may have risen in recent years) and users often do not know how much heroin they are taking.Street heroin is frequently impure, and some adulterants are dangerous. Several hundred heroin users died in 2006 in the U.S. after unwittingly taking heroin cut with fentanyl, a powerful synthetic opiate.
Repeatedly snorting heroin can cause severe damage to the nose, especially with long term exposure. Smoking heroin can cause breathing difficulties. All methods of using heroin have resulted in deaths from depressed breathing and general autonomic suppression from overdoses.
http://www.erowid.org/chemicals/heroin/heroin_basics.shtml
http://blogs.monografias.com/sistema-limbico-neurociencias/files/2010/05/heroin_gallery_10.jpg
Heroin is a semi-synthetic opiate derived from morphine. Intravenously-injected heroin causes a rush of powerful euphoria lasting a few minutes, followed by sedation lasting a few hours. When injected intramuscular or insufflated, there is a slower onset and a less intense peak of effects.
Heroin is primarily produced in Colombia, Mexico, Southeast Asia , and Afghanistan. Depending on how it is processed, it ranges from a thick sticky "black tar" to a brown, tan, or white powder. Street material varies greatly in potency from as high as 95% purity to as low as 5 or 10% purity. Heroin is most commonly injected (intravenously, intramuscularly, or subcutaneously), smoked, or insufflated (snorted).
The effects of heroin vary greatly depending on the quality of material, route of administration, the person, and the dose.
Possible effects may include feelings of euphoria and well-being, relaxation, sedation, and analgesia. Negative effects may include nausea or vomiting , constipation, dizziness, and blackout.
Heroin use can cause death by respiratory failure. Several factors can increase the risk of overdose, including the strong tolerance effects that develop with repeated use. Tolerance effects wear off over time, and users who take a break may find that a previously-safe dose is now dangerously large. The purity of street heroin is also highly variable (and may have risen in recent years) and users often do not know how much heroin they are taking.Street heroin is frequently impure, and some adulterants are dangerous. Several hundred heroin users died in 2006 in the U.S. after unwittingly taking heroin cut with fentanyl, a powerful synthetic opiate.
Repeatedly snorting heroin can cause severe damage to the nose, especially with long term exposure. Smoking heroin can cause breathing difficulties. All methods of using heroin have resulted in deaths from depressed breathing and general autonomic suppression from overdoses.
http://www.erowid.org/chemicals/heroin/heroin_basics.shtml
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