Articles related to Physician Assistant (PA)

Among newly diagnosed, treatment-naive patients with multiple sclerosis, gut microbiome profiles differed from healthy controls and were associated with MRI features linked to poorer prognosis, suggesting a potential future role for microbiome-based risk stratification.

Among 29 CPAP-adherent men with severe obstructive sleep apnea, residual objective sleepiness was associated with white-matter diffusion differences, although the cross-sectional findings do not establish causality or support routine imaging.

Research examining cannabis and sexual function suggests possible associations with increased sexual frequency and orgasm satisfaction in some users, but findings remain inconsistent, largely observational, and influenced by dose, timing, formulation, and individual factors.

A case report describes duodenal ulcer perforation in a woman receiving tirzepatide for weight loss, occurring shortly after dose escalation, though important confounders prevent conclusions about a causal drug relationship.

The FDA approved updated 2026-2027 formulations of Pfizer-BioNTech, Moderna, and Novavax COVID-19 vaccines targeting the XFG variant, aligning with advisory committee recommendations for the upcoming vaccination season.

Three adults receiving semaglutide or tirzepatide preserved or increased lean soft tissue while losing weight alongside resistance training and protein-focused diets, although the uncontrolled case series cannot determine which strategies produced these outcomes.