Dr. Jack Cush reviews the news and journal reports from this past week on Rheumnow.com - including obesity, disappointing durability with GLP-1 drugs, AI diagnoses and worries about CV risk in ANCA-associated vasculitis. And take this week's RheumIQ quiz!

Obesity in axial spondyloarthritis (axSpA) is not a minor comorbidity. Beyond the scale, there are several factors that need to be considered with obesity in axSpA.

In July 2026, JAMA concisely reviewed the bidirectional relationship between sleep health and obesity. Obesity affects roughly 40% of US adults and sleep problems affect nearly one-third. This review outlines the biological mechanisms and clinical interventions relevant to weight management.

Dr. Jack Cush reviews the news and journal articles from this past week on RheumNow.com. Take this week's RheumIQ and test your knowledge!

Patients from wealthier European countries tend to start treatment with biologics earlier but also stop or switch treatment earlier. They also experience lower disease activity at treatment start than patients in middle- and low-income countries.

The rheumatology, genetics and NIH communities mourn for Dr. Daniel L. Kastner, who died on July 28, 2026, in Bethesda, Maryland, at age 74. The following are declarations, tributes, and memories dedicated to this mensch of a man, titan of science, memorable mentor and humble physician.

Dr. Jack Cush reviews the news and journal articles from this past week on RheumNow.com.

Dactylitis, AKA the "sausage digit", is a hallmark of psoriatic arthritis (PsA), but as Possemato and colleagues point out, it is fundamentally a clinical sign, and not a diagnosis. This review article discusses the wider implications of dactylitis in rheumatology and medicine underscores the diagnostic and prognostic significance of this manifestation.