Hälsa & medicin

A new analysis published in JAMA Network Open finds an association between cesarean delivery and early-onset colorectal cancer, raising questions about how birth method affects long-term disease risk. The finding could prompt clinical guidelines changes and reshape conversations between doctors and expectant parents about delivery options.EN

Researchers identified inflammatory markers in deciduous teeth that distinguish children with autism spectrum disorder, suggesting teeth could serve as a non-invasive screening tool. The finding could enable earlier diagnosis and intervention, with implications for pediatric healthcare systems and diagnostic companies developing new ASD screening methods.EN

A major study published in JAMA Neurology links prenatal exposure to antiseizure medications with increased rates of psychiatric disorders in childhood and adolescence. The finding could reshape clinical guidance for the roughly 1 million pregnant women worldwide taking these drugs, forcing doctors and patients to weigh seizure control against emerging mental health risks.EN

Researchers identified blood-brain barrier biomarkers that shift before and after kidney transplantation, suggesting the procedure triggers previously unmeasured biological changes in the brain. The finding could reshape how doctors monitor transplant patients for neurological complications and inform post-transplant care protocols.EN

A new qualitative study documents how midwives deliver sexual and reproductive healthcare across Somaliland's health system. The findings could inform workforce planning and service delivery strategies in fragile health systems where specialist doctors are scarce.EN

Researchers launched CASCADE, a comprehensive study tracking viral markers, treatment outcomes, and patient experiences among people recently diagnosed with HIV. The work aims to bridge a gap in understanding what newly infected patients actually need—data that could reshape HIV care protocols and improve treatment adherence across multiple healthcare systems.EN

Researchers discovered that polycystic ovary syndrome in mothers transmits reproductive and metabolic dysfunction to male offspring, suggesting the condition's effects span generations. The finding could reshape how clinicians counsel women with PCOS about family health risks and inform preventive strategies for affected families.EN

Researchers analyzed decades of health records across Denmark, Norway, and Sweden to establish the true burden of major depression in Scandinavia. The findings could reshape how governments allocate mental health resources and help insurers and employers understand depression's economic impact on their workforces.EN

Researchers have identified that shifts in patient medication patterns precede a pancreatic cancer diagnosis, potentially offering a new early-warning signal. The finding could reshape screening strategies and insurance data analysis, giving clinicians and health systems a measurable indicator to flag high-risk patients months before clinical symptoms emerge.EN

Swedish researchers have established InfCareHIV, a comprehensive registry tracking people living with diagnosed HIV across the country. The prospective cohort study will provide real-world data on treatment effectiveness, complications, and survival—critical intelligence for healthcare systems planning HIV services and pharmaceutical companies developing new therapies.EN

Researchers have identified a specific toxin—indoxyl sulphate—that accumulates in kidney transplant recipients and damages the tiny blood vessels that keep organs healthy. The finding could lead to new screening protocols and treatments that extend transplant longevity, a priority for healthcare systems managing the growing transplant waiting list.EN

A new study finds that preterm births and stillbirths rose sharply during the pandemic, but the increases were concentrated in lower-income communities. The findings signal that healthcare access disparities, not the virus alone, drove worse pregnancy outcomes—a pattern with lasting implications for public health policy and maternal health investment.EN

A new study in JAMA Surgery finds that patients who undergo weight-loss surgery dramatically reduce their reliance on obesity medications over time, compared to those managing weight through other means. The finding has implications for insurers, healthcare systems, and pharmaceutical companies betting on growing demand for GLP-1 drugs like Ozempic and Wegovy.EN

A 13-year analysis of nearly 82,000 Swedish heart attack patients shows major gains in controlling blood pressure and cholesterol—key metrics for preventing second attacks. The findings suggest quality registries work as tools for healthcare systems to track and improve outcomes, offering a model for other countries.EN

A new study confirms that pregnant women with systemic lupus erythematosus can safely receive COVID-19 vaccines without triggering disease flares. The finding removes a major barrier to vaccination in this vulnerable population and informs clinical guidelines for immunizing pregnant patients with autoimmune conditions.EN

Researchers have identified a mechanism by which Helicobacter pylori — a bacterium infecting roughly half the world's population — may trigger hardening of coronary arteries. The finding could reshape how physicians screen for and treat H. pylori infections, particularly in patients at cardiovascular risk.EN

Neuroscientists have mapped the brain regions that create our sense of ownership and control during movement, a finding with implications for treating neurological disorders, designing better prosthetics, and understanding conditions like phantom limb syndrome. The research could reshape how clinicians approach rehabilitation and motor recovery.EN

A cluster-randomized trial in rural Bangladesh tracked how intermediate high blood sugar, diabetes, and hypertension evolved five years after a structured intervention. The findings offer insights into sustained disease management in low-resource settings—critical for health systems and insurers expanding diabetes programs across South Asia.EN

Researchers found that giving antibiotics to newborns and young children without clear infection risk may damage their developing immune systems and gut bacteria, potentially increasing vulnerability to future illness. The finding could reshape pediatric prescribing practices and reduce unnecessary antibiotic exposure—a major driver of antibiotic resistance that costs healthcare systems billions annually.EN

Swedish researchers found a significant increase in suicide deaths among adults during the anniversary period following a parent's death, revealing a hidden vulnerability window. The finding has implications for mental health services, employers, and policymakers seeking to target preventive interventions and support programs at high-risk populations during critical periods.EN

A study of 83 published patient-driven health innovations found that 78% reported no measurable outcomes for patients or the healthcare system. Researchers say the gap signals a missed opportunity for understanding which patient-designed solutions actually work—and where health systems should invest resources.EN

Researchers have identified molecular and epigenetic alterations in a widely used leukemia cell line, potentially improving how scientists understand cancer progression and test new treatments. The findings could help pharmaceutical companies and research institutions better predict which drug candidates will work against blood cancers.EN

A new study reveals that injured people's sense of wellbeing shifts dramatically as they adapt to their condition—a finding that challenges how healthcare systems measure treatment success. Understanding this 'response shift' could reshape how insurers, employers, and policymakers assess rehabilitation outcomes and plan long-term care strategies.EN

Researchers have developed a method to forecast disease progression in multiple sclerosis patients, potentially allowing earlier interventions to prevent disability. The advance could reshape how neurologists monitor MS and help pharmaceutical companies design more targeted clinical trials.EN

A Swedish national study tracking newly diagnosed multiple sclerosis patients reveals how three common first-line treatments—interferons, glatiramer acetate, and natalizumab—affect healthcare spending over time. The findings could help payers and health systems optimize treatment decisions and budget forecasts for MS care.EN