Hälsa & medicin

A supervised at-home cycling program reduced debilitating fatigue in stroke survivors by 9 points on a standard scale after just 8 weeks. Since poststroke fatigue affects roughly half of stroke survivors and currently has no proven treatment, this finding could reshape rehabilitation protocols and reduce long-term care costs.EN

Researchers have found that chronic jaw pain alters how the brain controls jaw muscles, potentially explaining why some people develop grinding and clenching habits. A small study shows that targeted exercises can restore normal brain-muscle communication, opening a new approach for treating temporomandibular disorders that affect millions of workers and drive significant healthcare costs.EN

Researchers found that clinical trials testing treatments for microscopic colitis lack standardized ways to measure whether patients improve, making it nearly impossible to compare results across studies. This inconsistency complicates drug development and regulatory approval, potentially delaying effective treatments from reaching patients.EN

A new clinical trial shows that giving pregnant women and infants probiotics and fish oil supplements alters how babies' immune cells respond to allergens and infections. The findings could reshape prenatal care practices and unlock a new market for preventive supplements if they reduce childhood allergy rates.EN

Researchers have validated a targeted genetic test that identifies how patients metabolize medications—at a fraction of the cost of whole-genome sequencing. The test could enable hospitals and clinics to personalize prescriptions at scale, reducing adverse drug reactions and improving treatment outcomes while lowering sequencing costs.EN

A major population study tracking older adults for up to 18 years reveals that periodontitis—gum disease—is associated with increased mortality risk. The findings suggest dental health deserves parity with other chronic disease screening in aging populations and could reshape how insurers and health systems prioritize preventive care for seniors.EN

Researchers have identified how triple-negative breast cancer evades immune therapy by manipulating its epigenetic landscape—the chemical switches controlling gene activity. The findings suggest new drug combinations targeting these mechanisms could restore anti-tumor immunity in patients who currently don't respond to immunotherapy, potentially expanding treatment options for this deadly cancer subtype.EN

A 15-year analysis of 725 Swedish patients undergoing skull reconstruction surgery after brain trauma found that nearly one-third required repeat operations, with autologous bone grafts proving more common than synthetic alternatives. The findings provide rare long-term outcome data that could reshape clinical protocols and inform hospital resource planning for neurotrauma care.EN

An international expert panel has published the first unified methodology for assessing body composition—a critical measurement for diagnosing malnutrition, muscle loss, and obesity-related diseases. The standardized approach could improve clinical consistency across healthcare systems and strengthen the evidence base for treatment decisions affecting millions of patients worldwide.EN

A new study reveals that patients recovering from acquired brain injuries often cannot meaningfully participate in their own care meetings early in rehabilitation, due to cognitive overload. The finding challenges assumptions about patient-centered care and suggests healthcare systems need to redesign how they involve patients in treatment planning.EN

Researchers used smartphone data to measure how well common allergic rhinitis medications perform in real patients, moving beyond traditional clinical trials. The findings could reshape how drug makers test and market allergy treatments, and help insurers and health systems make better coverage decisions.EN

Researchers found that data from smartphones—tracking sleep, activity, and mood messages—can help predict depression in pregnant and postpartum women weeks before symptoms become severe. The finding offers healthcare systems and insurers a way to identify at-risk patients early, potentially reducing hospitalizations and improving maternal outcomes during a critical health window.EN

A major systematic review finds that people with HIV who also struggle with depression, anxiety, or trauma are significantly less likely to take their medications or suppress their virus. The finding has implications for healthcare payers, HIV programs, and insurers designing integrated treatment models that address mental health alongside viral management.EN

Researchers evaluated five major screening instruments for temporomandibular disorders—common jaw problems affecting millions—to determine which most reliably identify patients early. The findings could help dentists and healthcare systems implement faster, more consistent screening and reduce delayed diagnoses that lead to chronic pain and costly treatment.EN

A new study shows that COPD patients who steadily increase their resistance training load over eight weeks see significantly better muscle strength and endurance—and improved ability to perform everyday tasks. The finding matters for pulmonary rehabilitation programs and insurers: it quantifies what intensity progression actually achieves, helping clinicians optimize treatment protocols and justify investment in structured training programs.EN

A branched stent graft designed to treat complex aortic disease while preserving blood flow to critical vessels has been successfully deployed in 23 Scandinavian patients. The early results suggest the technology could expand treatment options for life-threatening aortic conditions that previously required riskier surgery, potentially reducing complications and hospital costs.EN

Researchers found that machine learning can categorize broad job types but fails at fine-grained occupational classification—a gap that undermines labor market analysis, workforce planning, and administrative efficiency. The finding suggests companies and governments need richer data than job titles alone to accurately map skills, wages, and workforce trends.EN

A major analysis of Olympic and Paralympic competition data reveals that teenage athletes suffer significantly more injuries and illnesses than their adult counterparts, with youth games showing 10.5 injuries per 1,000 athlete-days versus 6.5 for adults. The findings have immediate implications for sports federations, insurance providers, and policymakers developing athlete safety protocols and medical resource allocation.EN

European efforts to restore endangered freshwater mussels through reintroduction may cause significant harm to local fish populations, according to new research. The findings could reshape how environmental agencies design conservation programs and manage public concerns about ecological restoration projects.EN

A study of 8,728 Swedish stakeholders reveals that public acceptance of wildlife management hinges less on what authorities decide and more on whether they're the right authorities—and whether emotions, not just facts, shape opinions. The finding could reshape how governments and agencies manage contentious environmental issues, from predator control to urban wildlife, by targeting communication to specific audiences rather than broadcasting one-size-fits-all policies.EN

Swedish researchers used wastewater analysis to track population consumption of three artificial sweeteners across five cities, finding significant regional differences and rising usage trends. The method offers food and beverage companies, regulators, and public health officials a new way to monitor sweetener adoption patterns that traditional surveys miss.EN

Transgender and gender-diverse teenagers in Sweden report significantly higher rates of self-harm, insomnia, and chronic pain than cisgender peers, according to new research. The findings suggest schools and healthcare systems need tailored mental health interventions for this vulnerable population—a gap with growing policy implications across Nordic countries.EN

A Swedish trial of 189 cancer patients found that high-intensity and low-to-moderate exercise programs during treatment produced similar overall costs—roughly €27,000-€30,000 per patient over 18 months. The finding suggests health systems can design more flexible, patient-friendly exercise programs without sacrificing cost-effectiveness or outcomes.EN

Researchers have developed a faster, cheaper way to test for genetic variants that affect how patients metabolize common drugs. The test could cut turnaround time from days to hours, letting doctors adjust prescriptions immediately instead of waiting—potentially improving treatment outcomes for millions of patients taking medications like blood thinners and antidepressants.EN

**Spelarvägen till elitnivå: Spelupp och blandad träning påverkar inte seniorlandslagval** Svenska elitfotbollsspelares väg till seniorlandslaget formas inte av spelupp eller blandad träning i ungdomsåren, visar ny forskning från Umeå universitet. Studien följde svenska försteligaspelares karriärvägar och kartlade vilka ungdomsfaktorer som ledde till landslagsselektering. Över 80 procent av spelarna tränade med äldre från 13–15 år, men detta korrelerade inte med senare landslagskarriär. Endast 25 procent spelade tillsammans med pojkar samma ålder, och även denna erfarenhet visade sig insignifikant för seniorurval. Endast 41 procent blev sedermera utvalda till U23 eller A-landslaget. Resultaten ifrågasätter vedertagen träningsortodoxi och väcker frågor för tränarorganisationer och ungdomsförbund om vilka utvecklingsmiljöer som faktiskt driver prestation på elitnivå. För ungdomsstruktureringen inom svensk fotboll innebär detta behov av omvärdering av träningssammansättning.