When looking at drug use, drug abuse, drug dependency and drug addiction, one finds that there are many divergent opinions about these terms and how they identify the drug-using behaviors of the public. Dr. Alan Leshner, the Director of the National Institute of Drug Abuse for the U.S. Government, states: “There is a unique disconnect between scientific facts and the public’s perception of drug addiction,”
From a lecture in March, 1998 at the National Institutes of Health, Dr. Leshner explained how brain function is modified by drug use and how that change persists after an individual stops taking drugs. Addiction also has to be recognized as a result of many bio-behavioral factors.
Dr. Leshner said a user does not have control over the change when voluntary drug use becomes a compulsive addiction. He likens the change to a flip of a switch, although the change may be a result of opponent processes where changes have accumulated over time. Regardless, Dr. Leshner believes it is important that people understand that once addicted, a person is literally in a different brain state.
Anyone that has known and witnessed the changes in...
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