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A new study warns that millions of people around the world who are 69 years or older will be at risk of dying in heat waves by 2050.
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When Thorsten Siess was in graduate school, he came up with the idea for a heart device that's now been used in hundreds of thousands of patients around the world.
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NPR's Juana Summers talks with Regina Barber and Emily Kwong of Short Wave about biodegradable plastic, simulating growing crops on Mars, and how deer are disrupting caribou populations.
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The health officials say the country is ready to produce a vaccine against a worrisome flu virus that recently jumped from birds to cows and at least one person. But some experts are skeptical.
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Women under 60 can benefit from hormone therapy to treat hot flashes and other symptoms of menopause. That's according to a new study, and is a departure from what women were told in the past.
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The time a person has to decide whether to have an abortion in Florida and other states with six-week abortion bans is at most two weeks. Why? It's has to do with how we date early pregnancy.
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Some birds kill their siblings soon after hatching. Other birds spend their whole lives with their siblings and will even risk their lives to help each other.
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A rise in breast cancer among younger women prompted the U.S. Preventive Task Force to issue new screening guidelines. They recommend mammograms every other year, starting at age 40.
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An economic perspective on misinformation
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A therapy that restores brain cells impaired by a rare genetic disorder may offer a strategy for treating conditions like autism, epilepsy, and schizophrenia.
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A new study shows people who are in the habit of climbing stairs are less likely to die from heart disease compared to those who don't. Stair climbers also had a slight boost in longevity.
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Researchers have found that a warm, close bond with a sibling in early adult life is predictive of good emotional health later in life, with less loneliness, anxiety and depression.