Monthly Archives: August 2026


Central Adiposity Improves Cardiovascular Risk Assessment Beyond BMI

Waist circumference (WC) and waist-to-hip ratio (WHR) identified important differences in cardiovascular disease (CVD) risk that were not captured by conventional BMI categories, suggesting that central adiposity can reclassify CVD risk across normal weight, overweight, and obesity and provide additional diagnostic and prognostic information. The US Cross-Cohort Collaboration study included […]


Viral Reactivation During Acute COVID-19 and Long COVID

In a US longitudinal multi-omic study of 1,154 hospitalized patients with COVID-19 from the IMPACC cohort, significant reactivation of Herpesviridae and Anelloviridae was common during acute COVID-19, with virus-specific temporal patterns and associations with disease severity, host immune responses, and clinical outcomes. Chronic viral infections are ubiquitous in humans, and […]