Author Affiliations: GRAIL, Inc. (ARK, AT), Menlo Park, CA; Evidera (AS, AC, WY, DZ), Bethesda, MD; Department of Internal Medicine and Center for Value-Based Insurance Design; University of Michigan ...

I am a 73-year-old man who has recently been diagnosed with moderate-to-severe arthritis in my right knee. I am trying to figure out a healthy way to ...