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  • Publicado : 12 de noviembre de 2011
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People can get addicted to all sorts of substances. When we think of addiction, we usually think of alcohol or illegal drugs. But people become addicted to medications, cigarettes, even glue! Andsome substances are more addictive than others: drugs like crack or heroin are so addictive that they might only be used once or twice before the user loses control.
Addiction means a person has nocontrol over whether he or she uses a drug or drinks. Someone who’s addicted to cocaine has grown so used to the drug that he or she HAS to have it. Addiction can be physical, psychological, or both.Physical addiction
Being physically addicted means a person’s body actually becomes dependent on a particular substance (even smoking is physically addictive). It also means building tolerance to thatsubstance, so that a person needs a larger dose than ever before to get the same effects.
Someone who is physically addicted and stops using a substance like drugs, alcohol, or cigarettes mayexperience withdrawal symptoms. Common symptoms of withdrawal are diarrhea, shaking, and generally feeling awful.
Psychological addiction
Psychological addiction happens when the cravings for a drug arepsychological or emotional. People who are psychologically addicted feel overcome by the desire to have a drug. They may lie or steal to get it.
A person crosses the line between abuse and addictionwhen he or she is no longer trying the drug to have fun or get high, but has come to depend on it. His or her whole life centers around the need for the drug. An addicted person – whether it’s aphysical or psychological addiction or both – no longer feels like there is a choice in taking a substance.

Signs of addiction
The most obvious sign of an addiction is the need to have a particular drugor substance. However, many other signs can suggest a possible addiction, such as changes in mood or weight loss or gain. (These also are signs of other conditions too, though, such as depression or...
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