People with Crohn’s disease and related joint inflammation linked to immune system dysfunction have distinct gut bacteria or microbiota, with the bacterium Mediterraneibacter gnavus being a potential biomarker, according to new study by Weill Cornell Medicine researchers.

British patients with osteoarthritis (OA) who received intra-articular corticosteroid injections had less usage of opioid-containing drugs and other painkillers for years afterward, researchers said.