Health & Medicine

  1. Health & Medicine

    Like bloodhounds, worms are sniffing out human cancers

    Scents emitted by diseased cells may usher in a new era of safe, low-cost screening tests for cancer and other illnesses.

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  2. Health & Medicine

    In an emergency, you may want to see Dr. Dog

    Emergency room visits by therapy dogs can reduce pain, anxiety and depression in patients waiting for care, a new study finds.

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  3. Environment

    We all unknowingly eat plastic, which may host toxic pollutants

    In the environment, plastics attract all types of toxic chemicals. If ingested, new data show, chemicals on those plastic bits may harm the gut.

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  4. Health & Medicine

    Sickle-cell gene therapies offer hope — and challenges

    Doctor Erica Esrick discusses existing treatments and an ongoing clinical trial for a gene therapy to treat sickle cell disease.

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  5. Health & Medicine

    Explainer: What is sickle cell disease?

    Gene mutations can alter an individual’s hemoglobin in ways that curl their blood cells. This can cause painful sickle cell disease.

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  6. Health & Medicine

    Explainer: The body’s immune system

    An army of cells — and their protein arsenal — work to keep us safe. Several squads of special forces possess unique superpowers to disable or kill intruders.

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  7. Psychology

    Addiction can develop when reward-seeking changes a teen’s brain

    Over time, the pleasure disappears and craving grows. That craving causes stress that can drive people to use drugs or pursue unhealthy behaviors again and again.

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  8. Health & Medicine

    Here’s how a new sleeping bag could protect astronauts’ eyesight

    A new sleeping bag could avoid vision problems on long space flights due to microgravity. It counters a fluid buildup behind astronauts’ eyes.

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  9. Humans

    Explainer: How loud is too loud?

    Loud sounds, be it music or noise, might seem like no big deal at the time. But permanent damage can occur without noticeable warning signs.

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  10. Health & Medicine

    Let’s learn about snot

    For humans, snot plays a key role in fighting off diseases. Other animals have found different uses for the slimy stuff.

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  11. Tech

    Someday soon, smartwatches may know you’re sick before you do

    Such an early detection of flu-like infections could tell you when to avoid others to limit the spread of disease.

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  12. Brain

    Concussion patients should avoid screen time for first two days

    Teens may find it hard to avoid screen time, but data from a new study suggest it can speed their recovery.

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