Health & Medicine

  1. 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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  2. 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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  3. 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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  4. 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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  5. 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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  6. 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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  7. 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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  8. 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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  9. 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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  10. 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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  11. Psychology

    Psychology shines light on the harm racism can do

    All forms of racism are harmful. Research sheds new light on the biases behind racism and the many ways it can affect our mental health.

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  12. Health & Medicine

    What to know as Pfizer’s COVID-19 vaccine rolls out for kids under 12

    After a trial in which no unusual side effects were reported, and approval by the FDA and CDC, kids ages 5 to 11 will be able to receive the COVID-19 vaccine.

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