Narcotic drugs
Narcotic drugs (narcotic), also known as narcotic drugs, anesthetic, the earliest refers to the human can lead to sleep, coma or unconscious state of the drug. In the United States, it is used to refer to opioids such as opium, heroin, morphine, pethidine, or opioid derivatives such as oxycodone, hydrocodone. Thus, the term has a negative meaning in the modern world, and is often used to refer to drugs that are forbidden to be used by law, that is, drugs. Narcotic drugs and psychotropic drugs are two major sources of drugs, and the United Nations has a single Convention on Narcotic Drugs to control drug abuse. ...