About ostoearthritis and research at Duke University on microRNA to help treat OA:
https://www.sciencedaily.com/releases/2019/10/191009142852.htm
Duke University article:
https://corporate.dukehealth.org/news-listing/humans-have-salamander-ability-regrow-cartilage-joints
ETA: added Duke University article
https://www.sciencedaily.com/releases/2019/10/191009142852.htm
Duke University article:
https://corporate.dukehealth.org/news-listing/humans-have-salamander-ability-regrow-cartilage-joints
ETA: added Duke University article