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  • 低盐低蛋白饮食可防肾结石

    Low-salt,low-protein diet can prevent kidney stonesA diet low in salt and meat can dramatically reduce the risk of kidney stones,according to an Italian study that could spell the end for the low-calcium diet that doctors have been recommen...

  • SSS 2008-09-04

    This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conditions such as mad cow disease are caused by abnormally shaped proteins, called prions. Prions spread by causing other, normal proteins to misfold...

  • VOA标准英语2010年-Childhood Obesity Linked to Adult Hear

    C-reactive protein is an indication of inflammation in the body, and, at high levels, is considered an early sign of future heart disease. It's a risk factor in a similar way that elevated cholesterol is a risk factor for heart disease, says Asheley...

  • VOA慢速英语2010年-SCIENCE IN THE NEWS - Scientists Seeki

    FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Faith Lapidus. BOB DOUGHTY: And I'm Bob Doughty. This week, we tell about the disease multiple sclerosis. (MUSIC) FAITH LAPIDUS: Multiple sclerosis is not easy to say. Those who...

  • SCIENCE REPORT - Aging Protein

    SCIENCE REPORT – January 23, 2002: Aging Protein By Jerilyn Watson This is the VOA Special English Science Report. A new study suggests that a protein that protects animals from cancer early in life...

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