After brain surgery, man sees cat's eyes in human faces
Karl, a 28-year-old man living in the northeastern United States, has a gray tabby cat named Luna. In the morning, his cat is often the first face that he sees.
Nov 9, 2026
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Top medical news headlines for the week 46
Concussion study upends understanding of what makes head impacts dangerous
Concussions—essentially mild traumatic brain injuries—are among the most common injuries sustained on athletic fields. In the U.S., an estimated 3.8 million sports-related concussions occur every year. But new research by ...
Nov 9, 2026
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AI predicts PTSD risk based on stories about what brought patients to the emergency room
An AI tool can analyze patients' narratives about injuries that sent them to the emergency room to predict who will later develop posttraumatic stress disorder (PTSD), a new study found.
Nov 9, 2026
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Experimental mRNA therapy promotes repair after heart attack damage
Scientists have developed a treatment that 'reawakens' heart muscle cells so they start to divide and help repair damaged muscle.
Nov 9, 2026
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Your brain may map emotional concepts onto a hexagonal grid, new study suggests
Everyday life throws a whole range of emotional experiences our way, from exciting and relaxing moments to tense or gloomy encounters. Each experience is shaped by what's present around us in the moment, the sensations our ...
Scientists turn protein-making errors in cancer cells into a targeted kill switch
Like every other cell in the human body, cancer cells also produce their own share of proteins for survival. During this production process, cells often encounter a glitch called ribosomal frameshifting. This exceptionally ...
The stroke risk younger adults may be overlooking—and the symptoms that should never be dismissed
Stroke is often seen as a condition that only affects older people. Yet the incidence of stroke in older people has actually fallen in recent decades. At the same time, rates of stroke in under-55s have been on the rise.
Nov 9, 2026
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Experimental drug eliminates 75% of aggressive pancreatic tumors and enhances immune system memory
Many solid tumors, including many cancers of the pancreas, breast, colon and lung, protect themselves with a dense wall of scar-like tissue. That wall keeps the immune system's cancer-killing T cells out. It is a major reason ...
Nov 10, 2026
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Blood RNA signal may reveal ovarian cancer precursors before invasive disease develops
Hoag researchers have discovered a molecular warning signal in the blood that identifies serous tubal intraepithelial carcinoma (STIC), an early, precancerous stage of high-grade serous ovarian cancer (HGSOC). This advance ...
Nov 10, 2026
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About half have meaningful drop in long COVID symptoms by 36 months, study finds
About one-half of persons with likely long COVID (LC) after first severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection experience a meaningful reduction in symptoms by 36 months, according to a study published ...
22 hours ago
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A pillowcase that tracks sleep
An interdisciplinary team of researchers led by Columbia Engineering Associate Professor Xia Zhou has developed PillowSense, a fabric-based sleep-monitoring system. The novel system uses soft sensors to measure heart rate, ...
Nov 10, 2026
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Coffee appears to change how the gut functions
If you drink coffee regularly, it appears to alter not only your gut bacteria but also the physiology of the gut itself. That is the conclusion of a study from the University of Copenhagen, which may help point the way toward ...
Nov 10, 2026
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Alzheimer's discovery reveals brain cleaning gone wrong
A gene responsible for compacting trash inside the brain appears to be a key player in Alzheimer's disease, and doctors may be able to target it to better treat or help prevent the devastating condition, new UVA Health research ...
Nov 10, 2026
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What university campus sewage can reveal about the effects of exam stress
It is not often that scientists take a keen interest in the sewage produced by students. But a study of wastewater from a university campus in Australia is revealing insights into how exam stress affects the body that traditional ...
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