Health & Medicine

  1. 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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  2. 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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  3. 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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  4. 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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  5. 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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  6. Health & Medicine

    Scientists Say: Puberty

    Puberty is a time when hormones surge and people develop the ability to have children. But it’s so much more than that.

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  7. Health & Medicine

    Warning! Junk foods can harm a teen’s brain

    The adolescent brain has a hard time resisting junk food. But high-fat, high-sugar diets can interfere with learning and pose risks to mental health.

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  8. Health & Medicine

    Teen athletes with even mild COVID-19 can develop heart problems

    COVID-positive student athletes, some with no symptoms, have developed heart inflammation and more. They are new reasons to limit coronavirus exposure.

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  9. Health & Medicine

    Moderna vaccine for COVID-19 appears nearly 95 percent effective

    A second coronavirus vaccine appears super effective in preventing people from being sickened by COVID-19.

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  10. Brain

    Kids use more of the brain than adults do to process language

    The brain continues to grow and mature throughout childhood. One big change occurs in which parts of the brain turn on as someone processes language.

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  11. Health & Medicine

    Explainer: What is a spike protein?

    These proteins, which give coronaviruses their name, also help them to infect cells.

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  12. Health & Medicine

    New Pfizer vaccine appears 90 percent effective against COVID-19

    Preliminary finds show one of the new coronavirus vaccines appears 90 percent effective at reducing symptomatic COVID-19 infections.

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