Humans

  1. Health & Medicine

    Stressing out

    A gene variant reduces people's response to the stress hormone cortisol, and people with the variant are less likely to have risk factors for heart disease and diabetes.

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  2. Archaeology

    Maya warfare takes 10 steps forward

    The discovery of hieroglyphic-covered steps on the side of a Maya pyramid has yielded new information about warfare between two competing city-states around 1,500 years ago.

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  3. Health & Medicine

    Asthma pressure may shrink airways

    Mechanical stress from constricting muscles could cause airway-lining cells to reproduce, eventually thickening the lining and narrowing the air passage.

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  4. Health & Medicine

    Chemotherapy baldness thwarted in rats

    Scientists studying rats have now developed a medication that wards off chemotherapy-induced baldness.

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  5. Health & Medicine

    Protein predicts prostate cancer spread

    Prostate cancer patients who harbor high concentrations of a protein called thymosine beta-15 in their tumors face an increased risk that the cancer will spread.

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  6. Health & Medicine

    Getting melanoma chemotherapy to work

    A drug that turns off a gene that blocks the action of chemotherapy in melanoma shows promise against this lethal skin cancer.

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  7. Health & Medicine

    High estrogen linked to lung cancer

    Estrogen receptors proliferating on tumor cells in women's lungs may account for why women seem more easily affected by the carcinogenic effects of tobacco smoke.

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  8. Health & Medicine

    Breast cancer options made clearer

    An inexpensive test for two proteins in the blood can indicate whether women with breast cancer that hasn't yet spread to lymph nodes are likely to face such a relapse after surgery.

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  9. Health & Medicine

    Iron Cooking Pots Help Combat Malnutrition

    Iron deficiency, the most common nutritional disorder in the world, is a major problem in many developing countries. The World Health Organization (WHO) currently estimates that a mind-boggling 4 to 5 billion people may suffer from some form of iron deficiency–that’s 66 to 88% of the world’s population. Up to 2 billion of these people […]

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  10. Health & Medicine

    Into the Tank: Pressurized oxygen is best at countering carbon monoxide exposure

    Oxygen treatment for serious carbon monoxide poisoning prevents long-term brain damage best if delivered as pressurized gas.

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  11. Health & Medicine

    Loosen Up

    Bacterial toxin may lead to less painful treatments for diabetes and brain cancer.

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  12. Humans

    Flame Out: Fishy findings sustain, then snuff, stellar career

    Investigators have concluded that a young, up-and-coming physicist repeatedly faked data and committed other types of scientific misconduct.

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