Health & Medicine

  1. Health & Medicine

    Neurons take a break during stage 2 sleep

    Electrical markers associated with stage 2 sleep indicate downtime for neurons.

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  2. Health & Medicine

    Air pollution makes chromosomes look older

    Traffic exhaust appears to shorten telomeres, a sign of cellular aging.

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  3. Health & Medicine

    How Down syndrome works against cancer

    A surplus of cancer-suppressing protein encoded by a gene on an extra copy of chromosome 21 may explain in part why people with Down syndrome seldom get cancer.

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  4. Health & Medicine

    Undiagnosed diabetes is costly

    A new study quantifies the number of Americans who don't realize they have diabetes — and the costs they pay to deal with it.

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  5. Health & Medicine

    ‘Super Size’ diet increases insulin resistance

    Scientists study effects of a month-long fast food binge, finding that weight gain and insulin resistance may be related.

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  6. Chemistry

    BPA: On the way out? Sort of

    Half-hearted bans won't really protect babies, much less the rest of us.

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  7. Psychology

    School-age lead exposures most harmful to IQ

    New studies find lead exposure has greater potency in school-age children than in infants and toddlers, including effects on brain volume.

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  8. Health & Medicine

    Scorpion venom neutralized

    An antivenom drug commonly used in Mexico counteracts poisonous scorpion stings, researchers in Arizona find.

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  9. Life

    For blood stem cells, the force is strong

    Blood flow boosts production of blood stem cells, two new studies show.

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  10. Chemistry

    Nonstick chemical pollutes water at notable levels

    Residues of nonstick chemicals — from unknown sources — appear to be approaching concentrations associated with adverse effects in laboratory animals.

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  11. Health & Medicine

    Toothpicks match needles for acupuncture

    Sham acupuncture works as well as the real thing for back pain, a study shows.

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  12. Life

    Misread epigenetic signals play role in leukemia

    A genetic mistake causes misinterpretation of epigenetic marks, leading to cancer.

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