Researchers suggest that radical life extension is unlikely in the 21st century and emphasize the need for significant institutional changes, such as in retirement planning and life insurance pricing if it does occur.  Study: Implausibility of radical life extension in humans in the twenty-first century. Image Credit: Solarisys/Shutterstock.com In a recent study…

Researchers confirm a strong link between COVID-19 and stroke risk, emphasizing the urgency for further investigation into prevention and treatment strategies. Study: Association between SARS-CoV-2 and Stroke: Perspectives from a metaumbrella-review. Image Credit: Kateryna Kon / Shutterstock *Important notice: medRxiv publishes preliminary scientific reports that are not peer-reviewed and, therefore, should…

New research shows that COVID-19 survivors, especially older adults and non-hospitalized patients, are at an increased risk for chronic fatigue syndrome—underscoring the need for comprehensive care for vulnerable populations. Study: Risk of chronic fatigue syndrome after COVID-19: A retrospective cohort study of 3227281 patients. Image Credit: DimaBerlin / Shutterstock In a recent…

New research shows that flu vaccines provide strong protection for children but underscores the need for improved efficacy against specific subtypes like H3N2. Rapid communication: Effectiveness of influenza vaccines in children aged 6 to 59 months: a test-negative case–control study at primary care and hospital level, Spain 2023/24. Image Credit: Billion Photos /…

Nearly 90% of babies who had to be hospitalized with covid-19 had mothers who didn't get the vaccine while they were pregnant, according to new data released by the Centers for Disease Control and Prevention. The findings appear in the agency's Morbidity and Mortality Weekly Report. Babies too young to be vaccinated had the highest…

More than four years ago, former President Donald Trump’s administration accelerated the development and rollout of the covid-19 vaccine. The project, dubbed Operation Warp Speed, likely saved millions of lives. But a substantial number of Republican voters now identify as vaccine skeptics — and Trump rarely mentions what's considered one of the great public health…

Poor dietary habits, like consuming ultra-processed or nutrient-poor foods, negatively affect sleep. Study:  Association of Physical Activity and/or Diet with Sleep Quality and Duration in Adolescents: A Scoping Review. Image Credit: Fabio Principe / Shutterstock.com A recent Nutrients study reviews the impact of physical activity (PA) and diet…

New global data reveals a rising stroke burden, particularly in low- and middle-income countries, with increasing incidence among younger populations and growing disparities across regions. Study:  Global, regional, and national burden of stroke and its risk factors, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021 . Image…

New research shows that mild COVID-19 alters brain structure and connectivity in key areas responsible for memory and cognition, emphasizing the lasting effects on young people’s brain health. Study: COVID-19 related cognitive, structural and functional brain changes among Italian adolescents and young adults: a multimodal longitudinal case-control study. Image Credit: DOERS / Shutterstock…

Initial trials of low-dose lithium failed to improve long COVID symptoms, but new findings suggest higher doses could offer hope for patients suffering from fatigue and cognitive impairment. Study: Lithium Aspartate for Long COVID Fatigue and Cognitive Dysfunction. Image Credit: p.ill.i / Shutterstock A recent study published in the journal JAMA Network…