By Dr. Jeffrey Peng, MD · Published March 4, 2026 · 30 min read Watch the Full Video Platelet-rich plasma (PRP) injections have generated significant attention for their ability to treat joint pain, tendon injuries, and accelerate recovery using your body’s own healing mechanisms. But with growing interest comes a flood of questions: Does PRP actually work? How does it compare to cortisone or stem cells? Is the cost justified when insurance does not cover it? In this compreh
By Dr. Jeffrey Peng, MD · Published March 4, 2026 · 6 min read Watch the Full Video A Baker's cyst — also called a popliteal cyst — is a fluid-filled swelling that develops in the back of the knee. Named after the British surgeon Dr. William Baker, who first described the condition, it can range from a painless incidental finding on an MRI to a significant source of discomfort that limits everyday activities like bending, squatting, and walking. In my practice, Baker's cysts
By Dr. Jeffrey Peng, MD · Published March 4, 2026 · 8 min read Watch the Full Video Cortisone injections have been a staple of musculoskeletal medicine for decades. They are fast, relatively inexpensive, and can deliver meaningful short-term pain relief for conditions ranging from arthritis to tendinitis and bursitis. But what does the clinical evidence actually say about the long-term consequences of cortisone shots on your tendons and joints? In my practice as a sports me
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