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News, research analysis and evidence-based explanation. 20 stories in this section.
Researchers in China have identified a previously unknown virus transmitted by ticks that can infect humans, causing fever, fatigue, and digestive symptoms. The discovery emerged after patients with these symptoms …
A Danish observational preprint links prenatal paracetamol exposure with several reproductive-development markers in infant girls. The study cannot establish cause, and European guidance has not changed.
Nonfunctional hospitals, attacks on health care, malnutrition and cholera are turning the conflict into a nationwide public-health emergency.
The BBC News presenter says she has lived with polycythaemia vera since 2024, bringing attention to a rare blood cancer that can be controlled but requires long-term treatment.
A substance in edible sea squirts improved memory, reduced inflammation, and restored hair growth in older mice, suggesting potential for brain health interventions.
A new study finds annual US cancer deaths tied to alcohol rose from 11,361 in 1990 to 23,126 in 2023, with risks extending beyond liver cancer.
A genetically modified pig kidney kept a 66-year-old man with end-stage kidney failure off dialysis for a record 271 days, serving as a temporary bridge until a human donor organ …
A large multimodal study of the adult human hippocampus provides evidence for sustained neurogenesis and identifies a stalled neurogenic process in major depressive disorder, revealing cell-specific genetic, epigenetic, stress, immune, …
Researchers at the University of Virginia used a novel MRI technique to show that the effectiveness of focused ultrasound in delivering drugs across the blood–brain barrier depends on particle size, …
Scientists have identified a placenta-made protein whose low levels in early pregnancy signal an increased risk of preeclampsia and fetal growth restriction, potentially offering a new target for prevention.
Rising temperatures and shifting mosquito habitats are raising the risk that yellow fever could reemerge in the Americas, including the southern United States, according to infectious disease experts.
A prospective observational study in Nature Medicine finds that fluconazole, but not nystatin, improves microbiome dynamics and reduces disease activity in inflammatory bowel disease patients with oral thrush after eight …
Doctors have developed an AI tool that can identify heart disease in less than two seconds by extracting more information from a routine electrocardiogram than the human eye can see, …
A randomized clinical trial published in Cell Metabolism found that a ketogenic diet outperforms other diets for cardiometabolic health improvements during weight loss, even when total weight loss is similar.
Alcohol-related liver disease may trap damaged liver cells in a state that prevents regeneration even after a person stops drinking. Researchers traced the problem to inflammation-driven RNA errors and identified …
Researchers at Institut Curie developed a 4D dose calculation framework to quantify how organ motion affects proton minibeam radiotherapy, finding that breathing movements significantly reduce the technique's protective peak-to-valley dose …
A secondary analysis of the phase 3 CARDIOTTRansform trial presented at the 2026 ESC Congress found that the antisense oligonucleotide eplontersen improved outcomes in transthyretin amyloid cardiomyopathy patients not taking …
A year-long study found that omega-3 fatty acids combined with low-dose aspirin were as effective as antibiotics in treating severe gum disease, with about 58% of patients in both groups …
A new commentary in Nature Medicine calls on health systems to prepare for a disruptive shift in obesity treatment, urging changes in care delivery, financing, and prevention.
Researchers have uncovered how metformin, a diabetes drug used for decades, works at the cellular level, a finding that could inform new treatments for metabolic and age-related conditions.
