Humans

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  1. Health & Medicine

    Understanding Vitamin D Deficiency

    Most adults don't get the recommended daily amount of vitamin D, and obesity may be a contributing factor.

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  2. Humans

    Letters from the April 30, 2005, issue of Science News

    Supplemental information Vitamin E Loses Luster: Nutrient tests show disappointing results” (SN: 3/19/05, p. 182) is the fourth time I’ve seen a report that vitamin E may not be appropriate for elderly people at cardiac risk. Detailed statistics are always given, but one fact is always omitted: what type of vitamin E was used in […]

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  3. Humans

    From the April 27, 1935, issue

    An artificial lightning bolt, predicting life spans, and a new, nonmagnetic ship.

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  4. Health & Medicine

    Neuron Savers: Gene therapy slows Alzheimer’s disease

    Putting extra copies of the gene for a cellular growth factor into the brains of people with Alzheimer's disease appears to slow the degenerative condition.

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  5. Health & Medicine

    Zinc boosts kids’ learning

    Zinc fortification improved mental skills in children with normal healthy diets, suggesting that the recommended intake for this mineral may need to be raised.

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  6. Health & Medicine

    When the stomach gets low on acid

    A study in mice shows that a shortage of stomach acid can lead to cancer, apparently as a result of bacterial overgrowth and inflammation.

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  7. Health & Medicine

    Licorice ingredient ferrets out herpes

    A compound in licorice homes in on lab-grown cells infected with a herpes virus and induces them to self-destruct.

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  8. Health & Medicine

    Season Affects Cancer-Surgery Survival

    Ample vitamin D at the time of lung-cancer surgery dramatically increases the odds that a patient will be alive and cancerfree 5 years later.

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  9. Humans

    Letters from the April 23, 2005, issue of Science News

    The shark as red herring I’m sure you published “A Fishy Therapy,” (SN: 3/5/05, p. 154) in good faith, but I believe that claims for shark cartilage are not made seriously by anyone who studies the role of natural substances in cancer prevention. It was proved ineffective long ago. I think your article does a […]

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  10. Humans

    From the April 20, 1935, issue

    Workings of human body portrayed in new exhibit, tapping brain waves to study epilepsy, and the discovery of a new amino acid.

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  11. Health & Medicine

    Fast Start: Sex readily spreads HIV in infection’s first weeks

    People with HIV are many times more infectious to their sexual partners in the weeks or months just after they acquire the virus than they are later on, a study in Uganda demonstrates conclusively.

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  12. Anthropology

    These spines were made for walking

    A new analysis of fossil backbones indicates that human ancestors living around 3 million years ago were able to walk much as people today do.

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