April 3, 2019 Whilst not specifically about yoga, I thought this was extremely interesting: https://medicalxpress.com/news/2019-03-cartilage-arthritis.html?fbclid=IwAR0py_VNW9IBrbw7pdSe9vEDxSzXTF4MrR8rD06ty9hiBm72YdlhbfrgvF0