JAMA has published a clinical guideline on the use of vitamin D to prevent disease in children and adults.

In February 2023, an expert consensus panel of pediatric and adult rheumatologists met to address challenges in Still’s disease (SD), including systemic juvenile idiopathic arthritis and adult-onset SD. They addressed four main topics: (1) early recognition and diagnosis of SD; (2) pathogenetic pathways and possible biomarkers for diagnosis and response; (3) refractory disease and risk factors, and (4) treatment of SD and its complications.

A nonrandomized, open-label, controlled trial has shown superior efficacy when baricitinib was given at night (instead of day); attesting to the benefits of chronotherapy - selective dosing meant to target the body's diurnal variations.

Symptoms that persist long after Lyme disease is treated are not uncommon — a 2022 study found that 14% of patients who were diagnosed and treated early with antibiotic therapy would still develop Post Treatment Lyme Disease (PTLD). Yet doctors puzzle over the condition’s causes and how to help their patients through symptoms ranging from severe fatigue and cognitive challenges to body pain and arthritis.