Hälsa & medicin

A Swedish study comparing adolescents in 2004 and 2021 shows girls have significantly increased their pornography consumption and become less bothered by it, while boys report lower arousal and less desire to imitate what they see. The convergence matters to policymakers designing digital literacy and sex education programs, and to platforms reconsidering content moderation strategies for minors.EN

Estradiol blocks a critical heart ion channel differently across species, researchers found—a discovery that challenges how cardiac drug safety is tested. The finding suggests animal models may not reliably predict how hormonal therapies will affect human heart rhythm, potentially delaying or misdirecting drug development.EN

A case study documents lymphedema—fluid buildup and swelling in the arm—developing months after MiraDry microwave treatment for excessive underarm sweating. While isolated, the finding raises questions about long-term safety monitoring for this widely used cosmetic procedure and could prompt manufacturers and regulators to examine whether rare complications are being systematically tracked.EN

Researchers analyzed nearly 1,200 colonoscopies in patients over 75 and found colorectal cancer in 5% of cases, with similar diagnostic yields whether patients were hospitalized or treated as outpatients. The findings help healthcare systems justify the procedure's value in aging populations while identifying which elderly patients can safely receive screening in lower-cost outpatient settings.EN

A Swedish study of over 1 million women finds that those born prematurely or with low birth weight are significantly less likely to have children, even when using fertility treatments. The findings suggest early-life health conditions have lasting reproductive consequences, with implications for healthcare planning and family policy.EN

A new pilot study shows that coaching people with Parkinson's disease and their caregivers to review and reflect on their everyday conversations can improve awareness of communication problems and shift how they interact. The personalized approach—which costs far less than traditional speech therapy—could reshape how healthcare systems support the growing population managing neurodegenerative disease at home.EN

Researchers have identified a measurable brain signal linked to depression risk, potentially enabling earlier intervention and better treatment selection. The finding—lower levels of a specific brain compound in people with depressive traits—could reshape how clinicians identify and treat depression, though larger studies are needed to confirm clinical utility.EN

A 20-year Swedish study of 1,233 women aged 70-100 found that a primary care fracture prevention program reduced repeat fractures by 29%, though overall hip fracture rates remained unchanged. The finding suggests targeted interventions can lower the healthcare costs of recurrent injuries, though preventing initial fractures remains the greater challenge.EN

Researchers discovered that many metabolites produced when synthetic cannabinoids break down in the body remain highly active at brain receptors, challenging assumptions about drug safety. The finding has implications for emergency medicine protocols, drug policy, and toxicology testing—since current detection methods may miss active compounds circulating after use.EN

A major Nordic study of 117,000 heart attack patients found those with mental disorders face significantly higher risks of death or recurrent cardiac events, even after accounting for other factors. The finding complicates treatment protocols and raises questions about whether mental health screening should become standard in cardiac care.EN

Primary care physicians in Sweden show striking inconsistency when assessing work capacity and recommending sick leave durations for identical cases, a new survey of 142 doctors reveals. The findings raise concerns about fairness in sick leave policies and suggest standardized guidelines could reduce costly variations in healthcare and workforce management.EN

A major analysis of 56 European studies reveals that 8% of children and adolescents have elevated blood pressure, with rates jumping to 23% among obese youth. The findings signal a growing cardiovascular risk in a generation that could face costly health complications—and highlight a prevention opportunity for healthcare systems and insurers.EN

Researchers compared two surgical techniques for severe adolescent scoliosis and found they produce different cosmetic outcomes. The findings could help surgeons and patients choose the right procedure based on whether the priority is visible chest deformity, breathing capacity, or spinal alignment—each technique excels at different corrections.EN

A Swedish study tracking 45 patients found that microwave therapy for severe underarm sweating maintained its effectiveness over three years, with significant quality-of-life improvements persisting. The finding matters to dermatology practices and medtech companies developing long-term treatment protocols for a condition affecting millions globally.EN

A new study of Swedish police and child welfare services reveals that mandatory reporting of at-risk children, while essential for protection, is overwhelming caseworkers and creating operational ambiguities. The findings matter to policymakers designing early-intervention programs and officials scaling welfare systems.EN

Researchers tracking older adults over five years found that small blood vessel damage in the brain—visible on standard MRI scans—predicts how quickly people lose dopamine function. The findings could help doctors identify which patients face steeper cognitive decline and guide preventive interventions targeting hypertension and weight management.EN

Researchers found that butyrate, a naturally occurring compound produced by gut bacteria, can reduce intestinal damage in IBS patients when applied directly to the colon. The finding opens a path toward a new treatment for a condition affecting millions globally, potentially expanding options in a market where current therapies often fail.EN

Researchers have identified the specific audio and visual properties that reliably trigger ASMR's characteristic tingling response, finding that crisp, high-fidelity sounds matter far more than synchronized video. The discovery could reshape a multi-billion-dollar wellness content industry and inform therapeutic applications for stress and sleep disorders.EN

Researchers have recalibrated how much SOD1 protein exists in the human brain and nervous system, finding levels roughly one-tenth of earlier estimates. The finding matters for drugmakers developing gene-silencing therapies for ALS, since dosing and efficacy calculations depend on knowing exactly how much of this disease-linked protein they need to suppress.EN

Researchers have found that treating adipose stem cells with a cheap drug called forskolin dramatically increases their ability to promote blood vessel growth—a key step in tissue repair. The advance uses animal-free growth methods, removing a major hurdle to bringing stem cell therapies to patients and potentially opening new commercial pathways for regenerative medicine.EN

A new study reveals that students fixated on past regrets or future worries are significantly more likely to develop smartphone addiction—but stress is the crucial mechanism linking the two. The finding suggests interventions targeting stress management could break this cycle and improve student productivity and mental health outcomes.EN

Researchers have identified the acoustic fingerprints of five core emotions in speech—surprise stands out clearly, while happiness and anger sound nearly identical. The findings could improve voice-based AI systems, customer service training, and mental health diagnostics by helping machines and people recognize genuine emotional states from tone alone.EN

A new study reveals how care managers in Sweden wrestle with a core tension: respecting clients' autonomy versus their legal duty to provide support. By analyzing case conferences, researchers found that ethical deliberation happens informally, in daily conversations—raising questions about whether these critical decisions are adequately documented or consistent across organizations.EN

Swedish researchers discovered that programming instructors use distinct hand movements—vertical, forward, and sideways—to help students understand time and sequence in code. The finding suggests gesture-aware teaching methods could improve technical education outcomes, with implications for curriculum design and instructor training in computer science programs.EN

European railways' redesigned driver interface reduced mental strain and shaved 1% off journey times in simulator tests. The findings suggest that clearer information systems can boost both safety and efficiency—a crucial insight as railways modernize across the continent and face pressure to improve service speeds.EN