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- Persistent pollutant may promote obesityYesterday
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Tributyltin, a ubiquitous pollutant that has a potent effect on gene activity, could be promoting obesity, according to an article in the December issue of BioScience. The chemical is used in antifouling paints for boats, as a wood and textile preservative, and as a pesticide on high-value food crops, among many other applications.
- Study unmasks how ovarian tumors evade immune systemYesterday
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Scientists at Johns Hopkins have determined how the characteristic shedding of fatty substances, or lipids, by ovarian tumors allows the cancer to evade the body's immune system, leaving the disease to spread unchecked. Ovarian cancer is considered to be one of the most aggressive malignancies, killing more than 70 percent of diagnosed women within five years, including an estimated 15,000 this year.
- Antibiotics: Single largest class of drugs causing liver injuryYesterday
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Antibiotics are the single largest class of agents that cause idiosyncratic drug-induced liver injury (DILI), reports a new study in Gastroenterology, an official journal of the American Gastroenterological Association (AGA) Institute. DILI is the most common cause of death from acute liver failure and accounts for approximately 13 percent of cases of acute liver failure in the U.S. It is caused by a wide variety of prescription and nonprescription medications, nutritional supplements and herbals.
- Brain's magnetic fields reveal language delays in autismYesterday
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Faint magnetic signals from brain activity in children with autism show that those children process sound and language differently from non-autistic children. Identifying and classifying these brain response patterns may allow researchers to more accurately diagnose autism and possibly aid in developing more effective treatments for the developmental disorder.
- World AIDS Day offers a reflection on the past, hopeful look to the futureYesterday
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On Dec.1, the global community commemorates the 20th anniversary of World AIDS Day by remembering the millions of people lost to AIDS and renewing the commitment to fight the disease. Since the inception of World AIDS Day in 1988, considerable progress has been made in the fight against HIV/AIDS. This included the development of more than two dozen drugs to treat HIV, the virus that causes AIDS, and the implementation of scientifically proven strategies to prevent people from becoming infected with HIV. Furthermore, programs such as the President's Emergency Plan for AIDS Relief and the Global Fund for HIV/AIDS, Tuberculosis and Malaria and others have given millions of people in low and mid-income countries access to HIV treatments and services where none existed.