Written by Dr. Jeffrey Peng, MD — Board-Certified Sports Medicine Physician Published: March 3, 2026 | Last Updated: March 3, 2026 If you have been diagnosed with knee osteoarthritis, you are likely wondering what you can do to keep it from getting worse — and whether surgery is inevitable. In my practice as a sports medicine physician, I meet patients every day who are anxious about their diagnosis and overwhelmed by conflicting advice. The good news is that there are three