Humans

  1. Health & Medicine

    Vitamin E targets dangerous inflammation

    People with diabetes face a high risk of heart attack and stroke. One apparent culprit is the chronic, low-grade inflammation that they develop. Megadoses of vitamin E can dramatically reduce that inflammation, a new study finds. Ishwarlal Jialal and Sridevi Devaraj of the University of Texas Southwestern Medical Center at Dallas studied 47 men and […]

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  2. Health & Medicine

    Immune cells rush to gut in food allergy

    In mice, allergic reactions to food coincide with an accumulation of white blood cells called eosinophils in the small intestine.

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  3. Anthropology

    Early Brazilians Unveil African Look

    Prehistoric human skulls found in Brazil share some traits with modern Africans, leading a Brazilian scientist to theorize that Africans rather than Asians first arrived in the Americas sometime before 11,000 years ago.

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  4. Health & Medicine

    Gene linked to aggressive prostate cancer

    A gene that is more active in prostate cancer tumors from African-American men than in tumors from white men may help explain why prostate cancer is both more common and more aggressive in African Americans.

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  5. Health & Medicine

    Synthetic enzyme wards off side effects

    A synthetic enzyme that lowers blood pressure and causes blood vessels to constrict shows promise for treating skin and kidney cancers that have spread throughout the body.

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  6. Health & Medicine

    Gene variant linked to early puberty

    A highly active version of a gene for faster testosterone metabolism is also associated with early breast development—by the age of 9.5 years—in girls.

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  7. Health & Medicine

    A different GI link to colon cancers

    As they head for the stomach from the mouth, the carbohydrates in vegetables, breads, fruits, and candy all begin breaking down into simple sugars. According to some studies, carbs with a low glycemic index (GI)–meaning that they are digested slowly–reduce a persons risk of heart disease and obesity through an as yet unidentified mechanism linked […]

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  8. Health & Medicine

    Urine tests can foretell bladder cancers

    U.S. and Chinese researchers find that two unconventional urine tests can often predict when a person is developing bladder cancer even before tumors appear.

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  9. Health & Medicine

    Blood Relatives

    After decades of research, several companies are about to release the first line of artificial blood products.

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  10. Health & Medicine

    Breathing on the Edge

    Researchers are exploring how both sea-level lowlanders and high-altitude natives cope with low oxygen levels.

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  11. Health & Medicine

    Chocolate-science news

    Make no mistake: Chocolate is not a health food. Indeed, most portions are loaded with empty calories from sugar and saturated fats. Hershey Foods Corp. Several studies in recent years, however, have demonstrated that among sweets, chocolate may possess a few nutritional advantages over most calorie-rich alternatives. The latest of these good-news findings is a […]

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  12. Health & Medicine

    Veggies prevent cancer through key protein

    An international team of researchers has identified a protein that helps compounds in some vegetables prevent cancer.

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