Health & Medicine

  1. Health & Medicine

    Some young adults will volunteer to get COVID-19 for science

    Researchers will soon give some healthy people the new coronavirus. Their young volunteers have agreed to get sick to speed coronavirus research.

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  2. Space

    Space travel may harm health by damaging cells’ powerhouses

    Biochemical changes after going to space suggest that harm to cells’ energy-producing structures, called mitochondria, could explain astronauts’ health issues.

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  3. Health & Medicine

    Five questions about COVID-19 vaccine trials in teens, answered

    Scientists are now testing COVID-19 vaccines in teens. Why do teens need a separate trial? And what would happen? We’ve got answers.

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  4. Environment

    Unmasking the pandemic’s pollution problem

    Discarding all the materials people use to protect themselves from COVID-19 has created a growing environmental problem.

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  5. Health & Medicine

    Let’s learn about taste

    Taste tells us what’s good to eat, but scientists are still learning about how it works.

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  6. Health & Medicine

    Scientists Say: Body Mass Index

    This is someone’s weight in kilograms divided by the square of their height in meters. But it’s not a measure of someone’s health.

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  7. Health & Medicine

    What kids need to know about getting a COVID-19 shot

    COVID-19 vaccines are already being administered to some adults. Here’s what that means for kids and teens.

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  8. Health & Medicine

    Early details emerge about the new U.K. coronavirus variant

    The variant may spread more easily from person to person. That could make continuing to wear masks all the more important, experts say.

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  9. Health & Medicine

    Strongest bones come from Goldilocks recipe of exercise and rest

    Building strong bones for life depends on adolescents staying active and getting enough sleep. Sometimes a lot of sleep, like 11 hours!

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  10. Health & Medicine

    Social distancing for teens shouldn’t mean giving up your social life

    During even partial lockdowns, keeping connected with friends makes all the difference. That’s what athletes and other teen groups are finding.

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  11. Health & Medicine

    Scientists Say: Apoptosis

    When it’s time for cells to die, they need to do it carefully, so they don’t harm other cells.

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  12. Health & Medicine

    Third major vaccine shows great promise against COVID-19

    This vaccine, which may be easier to get to the public, appears to be 90 percent effective at halting disease and maybe spread of the new coronavirus.

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