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Marbling of fat inside muscles found to block healing and weaken strength

Consider the delicate web of fat in a Wagyu steak. The "marbling" that makes carnivore connoisseurs swoon is a visual heuristic for quality flavor.

28 Jul 2025

Study reveals a strong link between early childhood adversities and depression in older Canadians

A new study of 3,500 Canadians aged 55 and older revealed a strong association between early childhood adversities and depression.

28 Jul 2025

Study shows the importance of diet in influencing multimorbidity in aging populations

A healthy diet can slow down the accumulation of chronic diseases in older adults, while inflammatory diets accelerate it.

28 Jul 2025

California looked to them to close health disparities, then it backpedaled

Fortina Hernández is called "the one who knows it all." For more than two decades, the community health worker has supported hundreds of families throughout southeast Los Angeles by helping them sign up for food assistance, sharing information about affordable health coverage, and managing medications for their chronic illnesses.

28 Jul 2025

Researchers map atomic structure of protein complex driving cilia movement

A team led by UT Southwestern Medical Center researchers has uncovered the atomic structure of a protein complex pivotal to the function of motile cilia, the hair-like structures extending from the surfaces of many cell types that generate their movement.

28 Jul 2025

Study reveals how old wounds increase sensitivity to stress

A wound can leave a lasting imprint - even after it has healed. A new study in Current Biology finds that past injuries can quietly prime the body to overreact and be more sensitive to stress, pain and fear long after the damage is gone.

28 Jul 2025

New study links surrogacy to higher risk of mental illness

People who are gestational carriers (or "surrogates") appear more likely to be diagnosed with a new mental illness during and after pregnancy, according to new research from ICES, McGill University, and the Research Institute of the McGill University Health Centre.

28 Jul 2025

Which GLP-1 meds have the most side effects? Study of 60,000 Facebook posts gives answers

Researchers analyzed nearly 60,000 public Facebook posts to identify real-world adverse events linked to GLP-1 receptor agonist (GLP-1 RA) medications. Gastrointestinal symptoms were most common, while mental health concerns and tirzepatide-specific side effects were also flagged.

28 Jul 2025

New swallowable sensor pill reveals gut inflammation with a simple color change

Researchers have developed an ingestible biosensor pill (PRIM) that detects intestinal inflammation by releasing a blue dye in response to elevated reactive oxygen species, providing a simple, at-home visual indicator.

27 Jul 2025

Experts say you don’t need 10,000 steps, here’s the new magic number

A major systematic review finds that walking just 7,000 steps per day, rather than the traditional 10,000, can significantly reduce the risk of mortality, cardiovascular disease, dementia, and more. The analysis, published in The Lancet Public Health, provides an evidence-based and achievable target for adult health.

27 Jul 2025

Research uncovers ME/CFS's systemic impact for targeted therapies

Millions suffering from myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS), a debilitating condition often overlooked due to the lack of diagnostic tools, may be closer to personalized care, according to new research that shows how the disease disrupts interactions between the microbiome, immune system, and metabolism.

26 Jul 2025

IRF-5 identified as key to preventing immune cell exhaustion

In fighting chronic infections or certain cancers, CD8+ T cells-the immune system's frontline soldiers-eventually become exhausted. They lose effectiveness and respond less efficiently to threats.

24 Jul 2025

New study reveals high lifetime exposure to hepatitis B and C in Ukraine

A study just published on Eurosurveillance has found evidence of substantial lifetime exposure to hepatitis B and C viruses in Ukraine in a 2021 nationwide, representative sample of the population, with findings also suggesting significant ongoing circulation of these viruses.

24 Jul 2025

Most UK high street self-tests fall short on accuracy and safety warnings

Many self-tests available on the UK high street are unfit-for-purpose and need much greater regulation to ensure they are safe and reliable, conclude two studies published by The BMJ today.

24 Jul 2025

Study finds continued use of risky antiseizure drugs during pregnancy

Despite evidence of the risk of malformations at birth, or birth defects, use of some antiseizure drugs during pregnancy has persisted, according to a study published on July 23, 2025, in Neurology, the medical journal of the American Academy of Neurology.

24 Jul 2025