epidemiology

How can digital technologies help us understand what happens to patients between conventional study visits? Our experience in digital rheumatology is now evolving into a broader platform for longitudinal, patient-centered real-world evidence research.

A Welsh birthdate cutoff linked shingles vaccination to fewer new dementia diagnoses, then to fewer dementia-related deaths among people already diagnosed, but the later estimate was imprecise and neither study makes the vaccine a dementia treatment.

BackgroundAdolescence is a vulnerable developmental stage associated with an increased risk of depression, anxiety, and stress, which can adversely affect academic performance and quality of life. Despite growing concern about adolescent mental health in Saudi Arabia, evidence among secondary school students remains limited. This study assessed the prevalence and severity of depression, anxiety, …

The United Kingdom's vote to leave the European Union (EU) was associated with major changes in health care worker migration and worsening physician shortages in England, according to a new study published in JAMA Health Forum.

FRIDAY, Aug. 21, 2026 — A surprising number of young adults have early signs of a metabolic disorder that could have a lasting impact on their health, a new study says.Nearly 8 of 10 people with an average age of 23 had signs of...

BackgroundPatients with minor ischemic stroke may still experience early neurological deterioration when severe intracranial stenosis or occlusion is present. The optimal role of endovascular treatment (EVT) in this imaging-defined population remains uncertain. This study aimed to evaluate clinical outcomes associated with EVT and to explore prognostic factors in patients with minor ischemic stro…

People who perform consistent midlife resistance training may substantially reduce their risk for type 2 diabetes, according to a new study.

Learn why it's hard to quit vaping and which treatments are most effective. Plus, a look at how families, schools, and communities can support recovery and protect young people.

BackgroundEquine strongylosis is one of the most prevalent gastrointestinal parasitic diseases affecting horses and donkeys worldwide, leading to reduced health, productivity, and working performance. This study aimed to determine the prevalence of gastrointestinal strongyle infection and identify associated risk factors among equines in three Egyptian governorates.MethodsA cross-sectional study …

IntroductionIn South Korea, the companion-dog population is strongly skewed toward a small number of small-breed purebred dogs, and distinguishing breed-type differences in recorded diagnoses from confounding by age, neuter status, and healthcare utilization is challenging in primary-care data.MethodsThis retrospective study used electronic medical records (EMRs) from primary-care veterinary clin…

BackgroundThe geographical distribution of HIV in Hainan Province is highly heterogeneous. Yet the patterns of cross-regional transmission remain unclear. To address this issue, we integrated HIV transmission network analysis with spatial analysis to characterize cross-regional transmission patterns across the province.MethodsWe analyzed 2,135 HIV-1 pol gene sequences obtained from HIV/AIDS patie…

A large study from Spain has found that people living with severe mental illness were much more likely to have dementia across adulthood. They also had a higher risk of stroke, with the difference especially noticeable among younger and middle-aged adults. The findings are important because dementia and stroke are often thought of mainly as […] The post Mental Illness Linked to Earlier Stroke Ris…

IntroductionLong QT syndrome (LQTS) is a major substrate for malignant ventricular arrhythmias, yet population-level evidence on its clinical, pharmacological and metabolic correlates in Asian adults remains limited.MethodsUsing Korean National Health Insurance Service claims linked to national health screening data (2012–2022), we conducted a 1:1 age- and sex-matched case-control study to charac…

The conversation around relapse is shifting. It is no longer seen as failure but increasingly understood as part of a chronic condition. Studies from Springer Nature highlight how primary care is emerging as a powerful force in prevention and recovery.

People living with severe mental illness face a substantially higher risk of dementia throughout adulthood, as well as a significantly elevated risk of stroke in early and middle adulthood, according to a large new study based on health records from Catalonia, Spain.