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Siblings — especially twins — sometimes share the strangest traits, like throwing a ball with their head or picking up keys and crayons with their toes. Researchers want to know what's up with that.
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For decades, nonprofits, health insurers and hospitals have been trying to solve the problem of the people who need the emergency room again and again. Here are some of the lessons they've learned.
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With nearly 5,000 cases reported so far this year — and concerns about a new strain — the Democratic Republic of Congo is considering the declaration of a public health emergency.
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Health officials say there's very little risk to humans from the bird flu outbreak among dairy cattle, but there's still much they don't know. Here are four questions scientists are trying to answer.
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Idaho's biggest hospital system says the number of people needing flights out of Idaho for emergency abortions is up sharply since the state's abortion ban took effect.
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Colorado is looking at ways to weed out false reporting of child abuse and neglect as the number of reports reaches a record high. New York and California are reworking the policies, too.
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A research lab in Flagstaff, Ariz., is trying to leverage a 1970s discovery into a safe and desirable alternative for men who want to prevent pregnancy.
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Researchers have been able to reverse the effects of a syndrome that affects brain development in a brain organoid.
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Surgeons transplanted a kidney and thymus gland from a gene-edited pig into a 54-year-old woman in an attempt to extend her life. It's the latest experimental use of animal organs in humans.
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Over the past few decades, psychologists have begun to understand how parents across many cultures teach their children to build deep, fulfilling relationships with their siblings.
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The raging debate over how to juggle kids and work.
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Drug company reps commonly visit doctors to talk about new medications. A team of economists wanted to know if that helps patients live longer. They found that for cancer patients, the answer is no.