Addiction to become manageable disease
Washington: Researchers are saying that they are making important progress in changing the perception of addiction as they identify new therapeutic interventions that could render addiction into the equivalent of a manageable disease like diabetes.
A group of addiction researchers, for one, recently recommended to the Commission on Narcotic Drugs, part of the United Nations Office on Drugs and Crime, that the problem of substance use disorders-a term that refers to what most people think of as addiction-should be approached as a medical, not a legal, issue.
In this vein, New York City's police department has begun to equip its officers with naloxone, a medication that can be used to save lives in the event of a heroin overdose. What have scientists discovered about addiction that led them to consider it as a disease rather than due to users' lack of willpower?
In a "roundtable" discussion convened by the Kavli Foundation, Marina Picciotto, Charles B.G. Murphy Professor of Psychiatry at Yale University in New Haven, CT, and a member of Yale's Kavli Institute for Neuroscience, put it this way: "Drugs of abuse change the brain in a significant way such that decision making is permanently, or at least on a fairly long-term basis, impaired. And therefore free will as we know it is not gone, but it is so severely modulated that someone who is not addicted has a hard time understanding that loss of volitional control."
The stigma directed toward drug addicts is similar to the stigma that surrounds those who are obese. Research on both substance use disorders and obesity shows that the biology behind the two diseases overlaps, resulting in a change in the sensitivity of the reward systems in the brain to food and drugs of abuse.
"That overlap makes a lot of sense, because these circuits did not evolve for us to take drugs," said Nora D. Volkow, Director of the National Institute on Drug Abuse (NIDA) at the National Institutes of Health in Bethesda, MD. "These circuits evolved to ensure that we eat properly. What we are seeing in addiction are drugs literally hijacking systems that took millions of years of evolution. And that's why there is no surprise that we see so many similarities in the behavioral expression of compulsive overeating and loss of control and that associated with compulsive drug taking in addicted individuals."
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