Ever want to scream during a particularly bad day, but then manage not to? Thank the human brain and how it regulates emotions, which can be critical for navigating everyday life. As we perceive events unfolding around us, ...
Apr 3, 2024
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Smoking weed will soon be legal for over-18s in Germany, but addiction experts are calling for more prevention efforts to ensure young people are protected from the dangers of cannabis use.
Mar 30, 2024
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Today, neurostimulation is used to treat a variety of human disorders, including Parkinson's disease, tremor, obsessive-compulsive disorder and Tourette syndrome. A Mayo Clinic neurosurgeon and his colleagues believe one ...
Mar 15, 2024
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Researchers from the Medical Research Council Brain Network Dynamics Unit at the University of Oxford and the Nuffield Department of Clinical Neurosciences have identified a novel mechanism by which the brain produces powerful, ...
Jan 18, 2024
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Ketamine has been in the headlines recently, implicated in the high-profile death of "Friends" actor Matthew Perry in October. But can the powerful drug also be helpful to those suffering from opioid addiction?
Jan 17, 2024
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Wegovy, Ozempic and Mounjaro are weight loss and diabetes drugs that have made quite a splash in health news. They target regulatory pathways involved in both obesity and diabetes and are widely considered breakthroughs for ...
Jan 17, 2024
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Cases of syphilis have skyrocketed in L.A. County and across the country, with devastating results. Left untreated in adults, it can damage organs and infiltrate the brain, possibly leading to dementia and blindness. Men ...
Nov 21, 2023
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New research finds that almost half of people who use illicit drugs in rural areas have been recently incarcerated.
Nov 9, 2023
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As the outpouring of tributes from celebrities and fans shows, the actor Matthew Perry and his Friends character, Chandler Bing, meant a huge amount to many people.
Nov 7, 2023
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Researchers at University of California San Diego School of Medicine and the Salk Institute for Biological Studies have created a unique, cell-by-cell atlas of the amygdala, a small structure deep within the brain that plays ...
Oct 5, 2023
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Drug addiction is a pathological condition. The disorder of addiction involves the progression of acute drug use to the development of drug-seeking behavior, the vulnerability to relapse, and the decreased, slowed ability to respond to naturally rewarding stimuli. The Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) has categorized three stages of addiction: preoccupation/anticipation, binge/intoxication, and withdrawal/negative affect. These stages are characterized, respectively, everywhere by constant cravings and preoccupation with obtaining the substance; using more of the substance than necessary to experience the intoxicating effects; and experiencing tolerance, withdrawal symptoms, and decreased motivation for normal life activities. By the American Society of Addiction Medicine definition, drug addiction differs from drug dependence and drug tolerance.
It is, both among scientists and other writers, quite usual to allow the concept of drug addiction to include persons who are not drug abusers according to the definition of the American Society of Addiction Medicine. The term drug addiction is then used as a category which may include the same persons who under the DSM-IV can be given the diagnosis of substance dependence or substance abuse. (See also DSM-IV Codes)
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