In this edition of Ask the Experts, FOX4 is talking with Dr. Scott Abraham with the St. Joseph Medical Center about achy knees.Dr. Abraham says there's been a rise in knee replacements, and discusses the reasons why, and what you need to do to maintain an active lifestyle.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.