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Understanding The Anticancer Effects Of Vitamin D3
The active form of vitamin D3 seems to have anticancer effects. To try and understand the mechanisms underlying these effects, researchers previously set out to identify genes whose expression in a human colon cancer cell line was altered by the active form of vitamin D3. One gene identified in this previous study was CST5, which is responsible for making the protein cystatin D. Now, a team of researchers, at the Consejo Superior de Investigaciones Científicas-Universidad AutÃönoma de Madrid, Spain, and the Universidad de Oviedo, Spain, has studied this protein in detail and determined that it has tumor suppressor activity that likely accounts for some of the anticancer effects of the active form of vitamin D3.
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President Obama Releases Statement, Video Urging U.S. Residents To Get Tested For HIV
President Obama on Saturday released a statement marking National HIV Testing Day that urged U.S. residents to get tested for HIV and work toward reducing the spread of the virus, Bloomberg/Arizona Daily Star reports (Bloomberg/Arizona Daily Star, 6/28). Obama said in the statement, "Each of us must take responsibility for reducing our risk of acquiring or transmitting HIV and for supporting affected individuals and communities. This means getting tested for HIV and working to end the stigma and discrimination people living with HIV face." The White House also released a video message with Obama"s statement (White House release, 6/27).
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Rapid, Pain-Free Test For Men Offered By New Chlamydia Test
A new urine test developed with funding from the Wellcome Trust will allow doctors to diagnose Chlamydia infection in men within the hour, improving the ability to successfully treat the infection on the spot and prevent re-transmission.
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Addictive 'Spice Gold' Causes Withdrawal Syndrome

A clinical report from Dresden supports the impression that "Spice Gold" is strongly addictive. In the current edition of Deutsches Arzteblatt International (Dtsch Arzteblatt Int 2009: 106[27]: 464-7), Ulrich S. Zimmermann, from Dresden Technical University, and his colleagues describe a young man who developed physical withdrawal symptoms after regular consumption of this designer drug, accompanied by a dependence syndrome. Since 22 January 2009, "Spice Gold" has been subject to the German Narcotics Law. This means that production, free trade and possession are forbidden - but initially for only a year. There will be a permanent regulation at the end of the year. More information about "Spice Gold" is currently being collected. The authors" case report is a scientific contribution to this discussion. When he came to the hospital, the patient had been consuming "Spice Gold" daily for eight months. Because of the loss of activity, he had rapidly increased the daily dose from 1 g to 3 g. He felt continuous craving for the drug and this caused him to carry on consuming it, in spite of the cognitive impairment it caused him. This led him to neglect his duties at his workplace and he was now threatened with unemployment. He had already been forced to be abstinent for a time, because of a bottleneck in supplies, and this had triggered typical withdrawal symptoms, such as internal unrest, tremor, palpitations, headache, nausea, vomiting, depression and desperation. These symptoms had abruptly disappeared when he started consuming spice once again. He suffered similar symptoms during drug withdrawal in hospital. The authors interpret the symptoms as indicating a typical withdrawal disease, very probably due to the admixture of synthetic cannabinomimetics. Dr. Stephan Mertens Deutsches Aerzteblatt International


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