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Combatting an invisible killer: New WHO air pollution guidelines recommend sharply lower limits

New Delhi has had days with air pollution levels nearly 30 times the old World Health Organization guidelines. Sajjad Hussain/AFP via Getty ImagesAir pollution is the world’s fourth leading cause ...
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FDA panel recommends limiting Pfizer booster shots to Americans 65 and older, and those at high risk of severe COVID-19

No third dose for now. AP Photo/Robert F. BukatyThe key scientific advisory council of the Food and Drug Administration has voted to deny authorization of a “booster” shot of Pfizer’s ...
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Medicine is an imperfect science – but you can still trust its process

Intensive care physicians are yet again facing ICU bed and staff shortages as severe COVID-19 cases rise. gorodenkoff/iStock via Getty Images PlusThe Conversation is running a series of dispatches from ...
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New beetle-inspired smart device developed for personalized skin care

Drawing inspiration from nature, a team of international scientists have invented a smart device for personalized skin care modeled after the male diving beetle ...
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At my hospital, over 95% of COVID-19 patients share one thing in common: They’re unvaccinated

Many hospitals have reached a point where the demand for health care has outstripped the ability to provide it. Westend61 via Getty ImagesThe Conversation is running a series of dispatches ...
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The fertility industry is poorly regulated – and would-be parents can lose out on having children as a result

Louise Brown, who was the world's first baby to be born from in vitro fertilization (IVF) in 1978, poses with equipment used in early IVF treatments. Daniel Leal-Olivas/ GettyWhen embryologist ...
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The US is taking a bite out of its food insecurity – here’s one way to scrap the problem altogether

Starting in October 2021, SNAP benefits will be 25% higher than before the pandemic due to a lasting policy change. Pat Greenhouse/The Boston Globe via Getty ImagesThe U.S. Department of ...
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How religious fervor and anti-regulation zealotry laid the groundwork for America’s $36 billion supplement industry

More than half of Americans regularly take supplements. James Keyser/Getty ImagesSpend any time watching television or scrolling through social media, and you’ll inevitably see advertisements for pills, powders and potions ...
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New technology can create treatment against drug-resistant bacteria in under a week and adapt to antibiotic resistance

Effective delivery of PNA therapies may offer a way to treat multidrug-resistant infections and other diseases. sorbetto/DigitalVision Vectors via Getty ImagesThe Research Brief is a short take about interesting academic ...
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Lyme disease protection: No vaccine yet, but an antibody shot could soon provide a season of immunity

Ticks can carry bacteria that cause Lyme disease. jwilkinson/iStock via Getty Images PlusLyme disease has become an insidious epidemic in the United States. Caused by bacteria transmitted through the bite ...
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