Health & Medicine
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ClimateEmissions dropped during the COVID-19 pandemic. The climate impact won’t last
New estimates suggest coronavirus shutdowns cut global carbon dioxide emissions from fossil fuels by nearly 30 percent, on average.
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Health & MedicineRogue immune system reactions hint at an early treatment for COVID-19
A comprehensive look at the immune system shows multiple ways it misfires in COVID-19. Treating with interferon early might prevent trouble later.
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Health & MedicineFive big questions about when and how to open schools amid COVID-19
Researchers weigh in on how to get children back into classrooms in a low-risk way.
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Health & MedicineHeavy drinking drove hundreds of thousands of Americans to early graves
From 2011 to 2015, more than 93,000 U.S. deaths per year could be tied to excessive alcohol use, researchers say.
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Health & MedicineHydroxychloroquine can’t stop COVID-19. It’s time to move on, scientists say
Hydroxychloroquine doesn’t work as antiviral or a treatment for COVID-19, an abundance of scientific data suggest.
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Health & MedicineCoronavirus outbreak at a Georgia overnight camp infected over 200 kids and staff
A report documenting a COVID-19 outbreak in Georgia hints that children might play a key role in spreading the virus.
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Health & MedicineHuman sperm don’t swim the way that anyone had thought
High-speed 3-D microscopy and mathematical analyses reveal that rolling and lopsided tail flicks keep the cells swimming in a straight line.
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Health & MedicineMany U.S. neighborhoods with the worst air 40 years ago remain the most polluted
Air pollution has declined in the United States, but marginalized communities are still disproportionately affected despite the improvement.
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Health & MedicineClose relatives of the coronavirus may have been in bats for decades
The coronavirus lineage that gave rise to SARS-CoV-2 has been circulating in bats for around 40 to 70 years, a study suggests.
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Health & MedicineA popular heartburn medicine doesn’t work as a COVID-19 antiviral
In lab tests, an antacid didn’t prevent coronavirus infection, but clinical tests are needed to see if it can help people who already have COVID-19.
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Health & MedicineMasks help new moms with COVID-19 safely breastfeed their babies
A study reports newborns could be held and breastfed safely when moms with COVID-19 wore masks and cleaned their hands.
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Health & MedicineTo prevent the next pandemic, we might need to cut down fewer trees
Investing in halting deforestation and limiting the wildlife trade could be a cost-effective way to reduce the risk of pandemics, a new analysis finds.