When former Olympian Joan Benoit Samuelson ran the 2022 London Marathon, she knew she was taking a risk. It would be her first 26.2-mile race since undergoing a partial right knee replacement in 2020, ...

Knee replacement means you’ve opted to replace your joint with an artificial one. It’s only an option when all other treatments—physical therapy, pain meds, injections, etc.—can no longer relieve your ...