Health & Medicine

  1. Health & Medicine

    Ketamine cultivates new nerve cell connections in mice

    In mice, ketamine prods nerve cells to connect, which may explain the hallucinogenic drug’s ability to ease depression.

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  2. Health & Medicine

    Chickens stand sentinel against mosquito-borne disease in Florida

    To learn where mosquitoes are transmitting certain viruses, Florida officials deploy chickens and test them for antibodies to the pathogens.

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  3. Health & Medicine

    A common food additive may make the flu vaccine less effective

    A food preservative may impair the ability to fight the flu, a study in mice suggests.

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  4. Health & Medicine

    When an older person’s brain waves are in sync, memory is boosted

    A brain stimulation treatment that nudges older people’s brain waves into sync could lead to noninvasive therapies for dementia and other disorders.

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  5. Health & Medicine

    Readers seek answers to stories about shingles, Neandertal spears and more

    Readers had questions about Neandertal spears, Earth’s inner core and more.

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  6. Health & Medicine

    Testing mosquito pee could help track the spread of diseases

    A new way to monitor the viruses that wild mosquitoes are spreading passes its first outdoor test.

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  7. Health & Medicine

    Pumping may be linked to an altered microbial mix in breast milk

    Beneficial bacteria are more abundant in the milk of mothers whose babies feed straight from the breast.

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  8. Health & Medicine

    In ‘The Perfect Predator,’ viruses vanquish a deadly superbug

    In ‘The Perfect Predator,’ an epidemiologist recounts the battle to save her husband from an antibiotic-resistant infection.

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  9. Health & Medicine

    A single-dose antidote may help prevent fentanyl overdoses

    Packing overdose medication into nanoparticles could help it better counteract dangerous synthetic opioids.

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  10. Health & Medicine

    50 years ago, drug abuse was higher among physicians than the public

    In 1969, physicians abused drugs at a higher rate than the general public — that’s still true today.

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  11. Health & Medicine

    Blood vessels built from a patient’s cells could help people on dialysis

    Bioengineered blood vessels could provide a safer alternative than donor vessels or synthetic implants.

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  12. Health & Medicine

    Treating cystic fibrosis patients before birth could safeguard organs

    Starting a cystic fibrosis drug sooner than usual may protect an afflicted child’s lungs, pancreases and reproductive tissue, a study in ferrets hints.

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