The treats also contain methionine, an amino acid which helps support the regeneration of joint tissue, and micronutrients - vitamins and minerals with antioxidant properties.

Similarly, another study reported detection of a viral reporter gene in joint tissue of mice for weeks post-inoculation.

Surgeons view the joint area on a video monitor, and can diagnose and repair torn joint tissue, such as ligaments and menisci or cartilage.