Health & Medicine

  1. representational illustration of hepatitis C virus
    Health & Medicine

    Hepatitis C discoveries win 2020 Nobel Prize in physiology or medicine

    The 2020 medicine Nobel recognizes work that found that a novel virus was to blame for chronic hepatitis and led to a test to screen blood donations.

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  2. Participant in a Pfizer COVID-19 vaccine trial
    Health & Medicine

    What does COVID-19 vaccine efficacy mean?

    The initial goal for a vaccine against COVID-19 is to reduce cases of the disease by at least 50 percent in those vaccinated versus those not.

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  3. Neandertal skull
    Health & Medicine

    Neandertal genes in people today may raise risk of severe COVID-19

    People in South Asia and Europe are more likely to carry a genetic heirloom from Neandertals linked to susceptibility to the coronavirus.

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  4. the libido-boosting drug Addyi
    Health & Medicine

    50 years ago, an experimental drug hinted at serotonin’s many roles in the brain

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  5. COVID-19 patient in the ICU
    Health & Medicine

    Defects in early immune responses underlie some severe COVID-19 cases

    Scientists are finding that strong early immune responses to the coronavirus are crucial to protect some people from developing life-threatening symptoms.

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  6. photograph of China’s Chang'e-4 lunar lander on the moon
    Space

    A new moon radiation measurement may help determine health risks to astronauts

    China's lunar lander measured radiation at the moon’s surface, finding the daily dose is 2.6 times as high as inside the International Space Station.

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  7. nerve cells and a tiny robot
    Neuroscience

    Tiny, magnetically controlled robots coax nerve cells to grow connections

    Research using microrobots and nerve cells from rats could point to new treatments for people with nerve injuries.

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  8. Manaus cemetary
    Health & Medicine

    A Brazilian city devastated by COVID-19 may have reached herd immunity

    Up to half of Manaus was infected at the epidemic’s peak, which slowed further spread of the virus but also led to many deaths, scientists say.

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  9. man putting mask on youth
    Health & Medicine

    Early immune responses may be why younger people get less sick from COVID-19

    Age-related differences in coronavirus immune defenses hint that a boost in early immune responses from drugs or a vaccine could help protect people.

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  10. monoclonal antibodies illustration
    Health & Medicine

    Antibodies made in the lab show some promise for treating COVID-19

    Preliminary results from two companies hint that the proteins can help COVID-19 patients from needing hospitalization or ventilation.

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  11. SARS-Cov-2, the virus that causes COVID-19 (left) and influenza (H1N1 shown in green)
    Health & Medicine

    What will happen when COVID-19 and the flu collide this fall?

    As the Northern Hemisphere braces for a coronavirus-flu double hit, it’s unclear if it’ll be a deadly combo or one virus will squeeze out the other.

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  12. a microscopic image of Naegleria fowleri
    Microbes

    50 years ago, scientists were on the trail of a brain-eating amoeba

    In 1970, scientists were studying a brain-eating amoeba that had been implicated in a newfound disease. Today, infections by the parasite are still poorly understood.

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