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The human body manufactures its own painkillers to ensure survival when injured. This program shows how opium and its derivatives, heroin and morphine, hijack that natural pain-numbing ability. Illustrating the brain’s ability to alter its own chemistry when attacked by drugs, the program depicts the process by which brain receptors become desensitized and thus addicted. Tranquilizers—and the potentially lifelong physical dependency and psychological problems they can cause—are also studied. The findings of Brigitte Kieffer, Marc Valleur, Martine Cador, Emiliana Borelli, Alain Ehrenberg, and the Strasbourg Institute of Molecular Biology and Genetics are featured. (51 minutes)



 
                

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Copyright date: ©2005



Part of the Series : Drugs and the Brain
     


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Hooked: America on Meth
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A rising number of American children under the age of 18 are experimenting with methamphetamines. In Montana, meth addiction has become the No. 1 drug problem. This ABC News program reports on the Montana Meth Project, an organization undertaking an ...(more details)
 
Stimulants: The Mechanics of Pleasure
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Like an avenue filled with neon signs, the brain's so-called pleasure pathway can light up or go dark, depending on what sort of stimulation it receives. This program explores the workings of the human nerve center under the influence of cocaine, amp...(more details)
 
Cannabis: Satanic Herb or Healing Potion?
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As has occurred with most drugs, the neurological effects of cannabis have only recently been fully identified and understood. This program presents some of the latest findings, including new investigations into the clinical applications of the drug....(more details)
 
Designer Drugs: Uncertain Borders
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Hallucinogenic plants may be the oldest drugs in the world, and were probably used in rituals during prehistoric times. In the 20th century, LSD and ecstasy became the hallucinogens of choice. This program recounts how science has gradually become aw...(more details)
 


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