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| | Drug - Wikipedia, the free encyclopedia |
 | | A drug is any substance that can be used to modify a chemical process or processes in the body, for example to treat an illness, relieve a symptom, enhance a performance or ability, or to alter states of mind. |
 | | Recreational use of alcohol, for example, is quite legal in many states and countries. |
 | | Drug addiction, which can be either physical or psychological, is the compulsive use of drugs, to the point where the user has no effective choice but to continue use. |
| en.wikipedia.org /wiki/Drug (1412 words) |
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