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What caused a woman to lactate from her armpit?Up to 6% of women are born with extra breast tissue in their body.
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Chipmunks near South Lake Tahoe test positive for plagueThe infected chipmunks had no known contact with people.
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How 350 vaccinated people caught COVID-19 in huge Cape Cod outbreakThe outbreak has changed our understanding of the coronavirus delta variant.
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People who live to 100 have unique gut bacteria signaturesThese bacteria may help ward off infections.
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Baby born with 'twin' fetus inside her stomachThe condition occurs in about 1 in 500,000 births.
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Dozens of medical groups urge COVID-19 vaccination mandates for health workersThe signatories include the American Medical Association, the American Nurses Association, and the American Academy of Pediatrics.
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Boy's bright-yellow tongue was a sign of rare disorderAn autoimmune disorder was the culprit.
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7 facts about the origin of the novel coronavirusSome theories point toward a natural origin and others claim the virus accidentally leaked from a lab.
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US life expectancy declined by a staggering 1.5 years in 2020The decline can largely be attributed to deaths from COVID-19.
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Man in China dies of rare 'monkey B' virusWhen human cases of this virus occur, they are often deadly.
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J&J recalls 5 sunscreen sprays found to contain carcinogen benzeneThe company is investigating how benzene ended up in the products.
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As little as 1.5% of our genome is 'uniquely human'The portion of DNA that's unique to modern humans is enriched for genes involved with brain development.
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CRISPR stops coronavirus replication in human cellsThe method has not yet been tested on animals or people.
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Woman develops rare 'coinfection' with two coronavirus variantsThe infection was fatal.
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Puppies are born with a knack for reading human gesturesThe study compared the cognitive skills of dog and wolf puppies ages 5 to 18 weeks old.
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Cats and dogs get COVID-19 from their owners at extremely high ratesPeople who test positive for the coronavirus should steer clear of their pets.
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Why health officials are watching new 'lambda' coronavirus variantSo far, lambda has been detected in 29 countries, with high levels of spread in South American countries.
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Woman unknowingly had chopsticks embedded in her sinuses for a weekAfter an attack, the woman's injuries were more serious than they initially appeared.
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COVID-19 vaccine benefits 'clearly' outweigh risks of rare myocarditis in teens, CDC saysThe CDC continues to recommend COVID-19 vaccination for everyone ages 12 and older.
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US faces critical blood supply shortageMany blood centers report having just a one-day supply or less of blood.
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Large TB outbreak may be caused by surgical 'bone repair product'The unusual outbreak involves patients who received spinal surgery this spring.
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COVID-19 was spreading in the US by December 2019, mounting evidence suggestsThe new findings suggest the virus may have been circulating in Illinois as early as Dec. 24, 2019.
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Hoover Dam reservoir reaches record-low water levelsThe low levels will likely require states to implement water-saving measures.
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Woman gets rare cowpox infection from her pet catShe received a drug approved for treating smallpox from the U.S. Strategic National Stockpile.
