Health
Latest health news and stories from around the world

Louisiana Notches a Sickle Cell First
A 23-year-old from suburban New Orleans may have just opened a new chapter in how Louisiana treats one of its most persistent health problems. The Guardian reports that Daniel...

Walking changes in older dogs may reveal early dementia
Older dogs take shorter front-leg steps as their minds decline, a change linked more to cognition than age.

Why some bananas stay green and never ripen, according to food experts
Green bananas that won't ripen may have been harvested too early or exposed to cold temperatures, according to food experts. They may still offer nutritional benefits.

The HPV vaccine works-but only if we keep trusting it
Human papillomavirus (HPV) vaccination is already saving lives in the UK—and the scale of that success is striking.

Intracellular mechanisms promote tumor survival during hypoxia
Northwestern Medicine scientists have, for the first time, described the underlying mechanisms that regulate how cells rapidly change gene expression in response to hypoxia, a key feature of many treatment-resistant tumors, according to a recent study published in Science Advances.
We asked Bay Area residents where they'd like to move. The answers surprised us
Readers told us the Bay Area cities where they'd like to move. Their unexpected choices expressed a love for fog, frugality, public transit and … pie?

Years of Instagram use may quietly blur the brain’s sense of the body
A new study reveals that using Instagram for years silently alters the brain's perception of one's own face

Scientists searched arthritic knees for different diseases and found something unexpected
A major study reveals that knee arthritis is a single, continuous disease rather than the result of several distinct conditions.

Irish woman reflects on 'escaping' hantavirus on cruise
An Irish woman who was released from quarantine on Monday following her trip on a cruise ship hit by a hantavirus outbreak has spoken of her surprise at how she never contracted the virus.

Plant-based nutrition helps prevent non-communicable diseases
Nutrition is one of the most effective ways to prevent non-communicable diseases (NCDs) and improve public health, particularly as the Law on Disease Prevention takes effect on July 1, 2026, marking a shift in the country’s healthcare system from treatment to prevention, experts said at a conference in HCM City on June 26.
The effect of simvastatin on orthopaedic biomaterial induced inflammation
The most common indications for lower limb revision arthroplasty are aseptic loosening of the implant and adverse reactions to particulate debris, both of which are driven by host immune responses to orthopaedic biomaterials. Pharmacoepidemiologic studies suggest that statins may improve lower limb arthroplasty survival, potentially through pleiotropic anti-inflammatory effects, but the biology underpinning this remains unclear. The aim of this study was to investigate the effect of simvastatin on orthopaedic bio-material-induced inflammation in-vitro. Gene expression was measured by qPCR and protein secretion was measured by ELISA and Meso scale discovery assays. In THP-1 macrophages, co-culture with simvastatin significantly abrogated cobalt-mediated increases in IL-8 gene expression in addition to IL-8, IL-1β, CCL3, CCL4 and CCL20 protein secretion. Simvastatin also inhibited zirconium oxide-mediated levels of CCL2 and CCL4, as well as alumina oxide-mediated increases in CCL2. These novel findings demonstrate that statins can significantly reduce orthopaedic biomaterial-induced expression of pro-inflammatory cytokines in-vitro. As statins are widely used in clinical practice and inexpensive, this provides an exciting basis for future work to leverage statins to reduce the impact of a burgeoning demand for revision arthroplasty on patients.
Relationship between triglyceride-glucose index and muscle strength in middle-aged and older Chinese adults without chronic diseases: a nationwide longitudinal cohort study
The triglyceride-glucose (TyG) index represents a pioneering approach to assessing insulin resistance. The objective of this study was to investigate the potential association between the TyG index and muscle strength in a Chinese middle-aged and older adults without comorbid chronic diseases. A total of 2,086 participants were identified in the China Health and Retirement Longitudinal Study (CHARLS). Muscle strength was assessed using two methods: absolute handgrip strength (HGS) and relative HGS, which was normalised by body weight or BMI. To evaluate the correlation between the TyG index and muscle strength, a range of analytical techniques was employed, including linear regression models, logistic regression models, and restricted cubic spline (RCS) analyses. A reduction in relative HGS was observed in the high TyG population compared to the low TyG population, whereas no such reduction was observed for absolute HGS. Regression analyses revealed a significant negative correlation between TyG and relative HGS, after controlling for a range of potential confounding variables. Conversely, no such relationship was observed between TyG and absolute HGS. The RCS results indicated that no nonlinear relationship existed between TyG and absolute HGS. In Chinese middle-aged and older adults, a negative correlation was observed between the TyG index and relative HGS, but not absolute HGS, in individuals without comorbid chronic diseases.

Beyond gluten free diets: recognising the psychological impacts of coeliac disease
Experts emphasize that managing coeliac disease requires addressing psychological impacts alongside a strict gluten-free diet for improved patient well-being.

US activates highest-level response to Ebola outbreak
US health authorities on Friday activated the highest level of response to the Ebola outbreak in the Democratic Republic of Congo, while announcing the shipment of experimental treatments to the region.

Girl Boards Plane With Mystery Symptoms-Man Beside Her Changes Everything
Caitlin Neelley told Newsweek: "We never got his name and never saw him again."

Health Experts Reveal The 1 Habit They'd Recommend For Seniors
Here are a few small ways to do yourself some major favors, from pros like cardiologists and nutritionists.

The Most Common Warning Signs Of Rectal Cancer
Rates of rectal cancer deaths are rising in adults under 50.

Hospital Opens Roof Garden Where Critical Care Patients Can Enjoy the Outdoors for Hours With Full Care
A hospital in London opened a garden on its roof where Critical Care patients can spend hours in the fresh air and sunlight.

11 topical minoxidil alternatives to boost hair growth
Topical minoxidil alternatives promise similar results, but do they actually deliver? Experts weigh in

This Many Minutes of Strength Training Might Help You Live Longer
New research pinpoints the number of minutes of strength training you need to live longer. Here's what it found.