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An international team of researchers has conducted the most comprehensive global-to-local analysis to date on long COVID risk, using disability data from the height of the pandemic to identify vulnerable populations.

Several studies have shown that students who attend afternoon classes tend to perform better in school than those who attend morning classes. This is due to greater synchrony between class times and students' biological clocks.

One of the great challenges faced by families coping with Alzheimer's disease and other forms of dementia is learning how to communicate effectively with the person impacted by the disease while also upholding their personhood, or sense of personal value.

What constitutes a life well-lived? A new Michigan State University-led study is turning to a common cultural artifact to find out: the obituary.

Alcohol-associated liver disease (ALD) is a major cause of liver transplantation and death worldwide, and its impact is only growing. In 2022, the annual cost of ALD in the United States was $31 billion.

Analyzing pulse intake trends in the U.S., this study highlights sociodemographic influences and suggests strategies to enhance consumption for better health.

Investigating protein intake, the study shows no mortality risk from animal or plant sources, with animal protein linked to modest cancer protection.

Chronic liver cirrhosis (LC) and acute-on-chronic liver failure (ACLF) are interconnected hepatic disorders associated with substantial morbidity and mortality.

Researchers at Osaka Metropolitan University have found that changing the timing of fertility drugs to match the follicle maturity period significantly increases the number of ovulated oocytes-the cells that develop into eggs-during artificial fertilization, even in rats that typically produce few oocytes.

Belgian scientists have uncovered new details about how the immune system responds to vaccines. Dendritic cells, which are key immune messengers that help kick-start the body's defenses, show specific responses to lipid nanoparticles.

Psychotherapy leads to measurable changes in brain structure. Researchers at Martin Luther University Halle-Wittenberg (MLU) and the University of Münster have demonstrated this for the first time in a study in "Translational Psychiatry" by using cognitive behavioral therapy.

GLP-1 receptor agonists are transforming obesity and diabetes care, but may reduce skeletal muscle mass, raising concerns about sarcopenic obesity. This comprehensive review explores the mechanisms, clinical implications, and mitigation strategies, including exercise, protein intake, and adjunct therapies.

Nearly 1 in 5 packaged foods sold in the US in 2020 contained synthetic dyes; products with these dyes had 141% more sugar and were disproportionately marketed to children. The study also revealed wide variability in dye use across companies, highlighting opportunities for reformulation.

Does insurance play a role in which critically ill patients live or die? The unfortunate answer may be yes, due in part to a difference in the rate of inter-hospital transfer, according to new research from the University of Michigan.

Regular yogurt consumption is linked with a lower risk of type 2 diabetes, according to credible but limited scientific evidence. The FDA has approved a qualified health claim in 2024, marking yogurt as a promising food-based tool for public health.

Researchers linked genetics, plasma metabolites, and Mediterranean diet adherence to dementia risk in two large US cohorts, showing APOE4 homozygotes had distinct metabolic pathways. Diet-related metabolites mediated protection, highlighting precision-prevention opportunities.

People with lower interleukin-6 activity have a reduced risk of cardiovascular diseases, a new LMU study reveals.

A new research paper was published in Volume 17, Issue 7 of Aging (Aging-US) on July 21, 2025, titled "Association of DNA methylation age acceleration with digital clock drawing test performance: the Framingham Heart Study."

UCLA scientists have developed the first comprehensive road map showing how the ovarian reserve forms in primates, providing crucial insights into women's health that could revolutionize treatments for infertility and hormonal disorders such as polycystic ovary syndrome, or PCOS.

Most research suggests that opioid overdoses involving multiple substances in the United States typically occur among people ages 25-54.