“As we age, the another thing we can easily’t change may be the period of time we’ve had on our joints. So at fifty five you've got 55-12 months-outdated knees,” claims Dominic King, a sporting activities medicine physician and director of clinical transformation at Cleveland Clinic’s Orthopaedic & Rheumatologic Institute. https://www.theorthopaedicandpainpractice.com/understanding-and-treating-elderly-knee-pain/