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Weird spikes poking through a teen's eyelid turned out to be a wayward toothDiagnostic Dilemma A 16-year-old developed swelling over his eye, and doctors later discovered that it was caused by a tooth that had grown in the wrong place.
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Scientists shrank mice's brains and replaced the missing tissue with human 'organoids'Scientists have devised a new way to incorporate human brain tissue into living mice, opening the door to new research.
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'Every time it gets excited — boom — it collapses': How dogs with narcolepsy helped scientists understand the disorderInterview Live Science spoke with Dr. Emmanuel Mignot, director of the Stanford Center for Narcolepsy and co-winner of a coveted Lasker Award.
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'America's Nobel' prizes go to sleep and hemophilia researchers, and to Michael J. Fox for Parkinson's advocacyThe Lasker Foundation has announced the winners of its 2026 awards for basic medical research, clinical science and public service.
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New map of a male fly central nervous system includes all 166,000 neurons — and enables direct comparisons to female fly brainA new map of the adult male fruit fly brain and nerve cord includes over 166,000 neurons and the millions of connections between them.
neuroscience -
Concussion expert explains why viral CTE study may not be as scary as it soundsInterview A new study suggests that at least 1 in 4 former NFL players who died in recent years had CTE. Concussion expert Thayne Munce puts the finding into context.
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2 people die of measles in Pennsylvania as vaccination rates drop across the nationPennsylvania health officials have reported two recent deaths from measles, marking the United States' first deaths from the highly infectious disease in 2026.
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Memory may not work how we thought, study of mice in artificial hibernation findsA new study induced artificial hibernation in lab mice and may have revealed something fundamental about the nature of memory.
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What the US could learn from Japan's incentive for responsible antibiotic useScience spotlight The Japanese government incentivizes doctors to avoid prescribing antibiotics for certain ailments, but would the same approach work in the U.S.?
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FDA's approval of new mRNA vaccine does not necessarily signal the government's embrace of the technology, experts sayAnalysis The U.S. Food and Drug Administration approved an mRNA-based vaccine for influenza. Live Science asked experts what that means for the future of mRNA vaccines in the U.S.
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FDA approves first mRNA vaccine for seasonal fluThe Food and Drug Administration's approval of an mRNA vaccine for flu comes after the agency initially refused to review the approval request for the shot.
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'It's real, and it's happening': Antibiotic resistance in kids is rising around the world, massive study findsA global analysis shows how antibiotic resistance has been increasing among childhood infections.
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'Teach me! Doctor': Meet the pediatrician on a mission to boost parents' knowledge of childhood illnessesParents may struggle to learn all there is to know about children's health. A pediatrician in Saku, Japan, has made it his mission to help.
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2 people die of Cyclospora infection in MichiganTwo people in Michigan have died due to Cyclospora infections, the state health department reported.
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'This problem of gun violence in America is not unsolvable'Interview Health editor Nicoletta Lanese spoke with trauma surgeon Dr. Selwyn Rogers Jr. about his new book, "Healing the Gun Violence Epidemic."
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Cyclospora parasite outbreak linked to lettuce expands to 9 states, with over 1,900 people sickenedAdditional states have been added to the list of locations impacted by an outbreak of foodborne illness tied to iceberg lettuce.
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6-year-old in China dies after experimental treatment, investigation finds, raising questions about the country's gene therapy regulationsA young girl in China died after being given an experimental gene therapy intended to treat a neurodevelopmental syndrome, an investigation by Science and Retraction Watch revealed.
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'They didn't question it': Why doctors prescribe too many antibioticsScience Spotlight Pediatricians in both the U.S. and Japan tend to prescribe antibiotics too often, although the doctors are now improving their track record. What's behind this tendency?
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'Explosive diarrhea' parasite infections in 5 states linked to Taco Bell lettuce; other cases still under investigationLettuce served at Taco Bell has been identified as a source of Cyclospora infections affecting people across five states.
viruses-infections-disease -
'800 seconds for a sick visit': Some factors driving antibiotic resistance have nothing to do with biology, says medical sociologist Julia SzymczakInterview Doctors' decisions around antibiotics aren't as logical as you might assume; they can be skewed by emotional and social factors, a medical sociologist explains.
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A woman's nausea was triggered by a huge mass in her stomach — which doctors dissolved with diet sodaDiagnostic dilemma A woman's abdominal discomfort turned out to be caused by a buildup of food in her stomach. And the treatment involved diet soda.
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Japan's bold experiment to curb antibiotic misuse has been a huge success. Could it work in the US?Science Spotlight A unique policy in Japan encourages doctors to improve their antibiotic use and thus reduce their contribution to antibiotic resistance. Should the U.S. be taking notes?
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Estrogen levels in both the male and female brain may shape memory's resilience in face of stressTraumatic experiences can cause memory problems, and estrogen may be a key factor that shapes the brain's resilience against such stressors, a mouse study finds.
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Viral infection caused woman not to recognize her own fatherDiagnostic dilemma A woman could no longer recognize her father's face and had trouble holding the details of faces in her mind's eye.
Diagnostic dilemma
