By Dr. Jeffrey Peng, MD · Published March 5, 2026 · 10 min read Watch the Full Video One of the most common questions patients ask at their first consultation is whether their health insurance will cover platelet-rich plasma (PRP) injections . It is an understandable concern — PRP is one of the most effective nonsurgical treatments available for conditions like knee osteoarthritis and chronic tendon injuries, yet the vast majority of insurance companies in the United States

By Dr. Jeffrey Peng, MD · Published March 5, 2026 · 7 min read Watch the Full Video Collagen supplements are marketed aggressively for joint pain, stiffness, and even slowing the progression of arthritis. Walk into any supplement aisle and you will find dozens of products claiming to rebuild cartilage and reverse joint damage. But what does the clinical evidence actually show? Collagen is a structural protein found naturally throughout the body and is a key building block of

By Dr. Jeffrey Peng, MD · Published March 5, 2025 · 7 min read Watch the Full Video Collagen supplements are widely marketed for reducing joint pain, improving stiffness, and slowing the progression of arthritis. Collagen is a naturally occurring protein and a major structural component of cartilage — the tissue that cushions and protects our joints. Osteoarthritis is fundamentally a disease of cartilage loss, so the idea behind collagen supplementation is straightforward:

By Dr. Jeffrey Peng, MD · Published March 5, 2026 · 8 min read Watch the Full Video Arthritis affects millions of people worldwide, and while there is no cure, there are evidence-based strategies that can meaningfully reduce symptoms and improve quality of life. Two of the most powerful — and often underappreciated — pillars of arthritis management are weight loss and an anti-inflammatory diet . In this guide, I review what the research says about how much weight loss is ne

By Dr. Jeffrey Peng, MD · Published March 5, 2026 · 6 min read Watch the Full Video Knee replacement surgery — formally known as total knee arthroplasty (TKA) — is one of the most common elective orthopedic procedures performed worldwide. It is generally considered the last resort for patients with end-stage knee osteoarthritis who have exhausted conservative treatments. While many patients experience significant improvement after surgery, the reality is that not everyone w

By Dr. Jeffrey Peng, MD · Published March 5, 2025 · 7 min read Watch the Full Video If you have been diagnosed with knee osteoarthritis and are exploring injection options, two of the most common treatments you will encounter are platelet-rich plasma (PRP) and hyaluronic acid (HA) injections. Both are well-established, evidence-based treatments that can reduce pain and improve function, but they work through different mechanisms and come with different cost and insurance co

By Dr. Jeffrey Peng, MD · Published March 5, 2025 · 7 min read Watch the Full Video If you have knee osteoarthritis , you may have been told to try a knee brace or support sleeve. But which type is right for you? With so many options on the market, choosing the correct knee brace can feel overwhelming — and a recent study suggests that the most commonly recommended option may actually interfere with your quality of life. As a sports medicine physician , I frequently discuss

By Dr. Jeffrey Peng, MD · Published March 5, 2026 · 7 min read Watch the Full Video Vitamin D is widely recognized for its role in bone health, but could it also help with arthritis symptoms? As a sports medicine physician, I frequently field questions from patients with knee osteoarthritis about which supplements are worth trying. Vitamin D is one of the most popular — and the research behind it is worth understanding before you start supplementing. In this article, I revi

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

By Dr. Jeffrey Peng, MD · Published March 4, 2026 · 8 min read Watch the Full Video Osteoarthritis is one of the most common forms of arthritis, affecting millions of people worldwide. For decades, it was widely understood as a simple wear-and-tear condition — the gradual breakdown of cartilage that cushions the ends of bones in a joint. But recent research has fundamentally changed that view. We now know that osteoarthritis is a complex, multifactorial disease driven in lar

By Dr. Jeffrey Peng, MD · Published March 4, 2026 · 6 min read Watch the Full Video Knee osteoarthritis is one of the most common conditions I treat in my sports medicine practice . It is characterized by the progressive deterioration and loss of cartilage inside the knee joint. While many patients assume that arthritis means the end of an active lifestyle, understanding the warning signs early can help you take the right steps to manage symptoms and preserve joint function.

By Dr. Jeffrey Peng, MD · Published March 4, 2026 · 8 min read Watch the Full Video Arthritis affects millions of people worldwide, and many patients are looking for natural approaches to manage their pain, stiffness, and loss of function. While there is no shortage of supplements marketed for joint health, the quality of evidence behind most of them is surprisingly thin. In my practice as a sports medicine physician , three supplements consistently rise to the top when I re

By Dr. Jeffrey Peng, MD · Published March 5, 2026 · 8 min read Watch the Full Video Knee pain is not random. Where you feel the pain can serve as a powerful diagnostic clue to the underlying problem. By understanding the source of your symptoms, you can take the appropriate first steps toward recovery. As a board-certified sports medicine physician , I evaluate knee pain every day in my clinic. In this guide, I walk through 15 of the most common causes of knee pain, organize

By Dr. Jeffrey Peng, MD · Published March 4, 2026 · 8 min read Watch the Full Video Magnesium deficiency has been linked to worse arthritis symptoms and accelerated radiographic progression of joint disease. What makes this particularly concerning is that nearly half of Americans consume less than the recommended daily amount of magnesium from food — and this shortfall tends to worsen with age. In this post, I will review the current evidence on how magnesium affects joint h

By Dr. Jeffrey Peng, MD · Published March 4, 2026 · 8 min read Watch the Full Video GLP-1 receptor agonists such as Ozempic (semaglutide), Wegovy, and Mounjaro (tirzepatide) have transformed the landscape of medical weight loss. Originally developed for type 2 diabetes management, these medications are now generating excitement for an entirely different reason: their potential role in treating arthritis . Emerging clinical evidence suggests that GLP-1 agonists may not only r

By Dr. Jeffrey Peng, MD · Published March 4, 2026 · 8 min read Watch the Full Video Stem cell therapy has become one of the most talked-about treatments in the world of joint pain and arthritis. The promise is alluring: a single injection that could repair damaged cartilage, eliminate chronic pain, and restore mobility without surgery. But does the science actually support the hype? As a sports medicine physician who specializes in orthobiologic treatments , I want to walk

By Dr. Jeffrey Peng, MD · Published March 4, 2026 · 5 min read Watch the Full Video If you have knee osteoarthritis and conventional treatments like over-the-counter pain medications or cortisone injections have not provided adequate relief, genicular nerve blocks may be a treatment worth considering. This ultrasound-guided procedure targets the specific nerves responsible for transmitting knee pain to the brain, offering meaningful short-term relief that can help you get mo

By Dr. Jeffrey Peng, MD · Published March 04, 2026 · 6 min read Watch the Full Video Can the foods you eat really impact the pain and stiffness of osteoarthritis ? Most people assume that joint health is entirely about mechanical wear and tear, but recent science tells a different story. Your diet may be one of the most important—and most overlooked—factors in managing osteoarthritis symptoms. The connection lies in an unexpected place: the trillions of bacteria living in yo