By Dr. Jeffrey Peng, MD · Published March 4, 2026 · 8 min read Watch the Full Video Red light therapy and low-level laser therapy are increasingly being used to treat a wide range of painful conditions, from osteoarthritis and tendonitis to chronic neck and back pain. These treatments fall under the broader category of photobiomodulation (PBM), and they are emerging as safe, drug-free alternatives for managing pain and reducing inflammation. In this article, I review the la

By Dr. Jeffrey Peng, MD · Published March 4, 2025 · 20 min read Watch the Full Video What Is Knee Osteoarthritis and Why Is It So Complex? Knee osteoarthritis is the most common form of arthritis and is defined by the progressive loss of cartilage within the joint. Despite its prevalence, most patients have a limited understanding of the condition and the full range of treatment options available. In my practice, I frequently encounter patients who have received incomplete o

By Dr. Jeffrey Peng, MD · Published March 4, 2026 · 8 min read Watch the Full Video Frozen shoulder — clinically known as adhesive capsulitis — is one of the most frustrating conditions I treat in my sports medicine practice. Patients often arrive having received conflicting advice: some were told to wait it out, others to get surgery, and many were never informed about the full range of evidence-based options available today. In this comprehensive guide, I break down every

Medically reviewed by Dr. Jeffrey Peng, MD — Board-Certified Sports Medicine Physician Last updated: February 28, 2026 Red light therapy has become one of the most talked-about recovery tools among athletes and fitness enthusiasts. From professional sports teams to home LED panels, the technology is everywhere — but does the science actually support the hype? As a sports medicine physician who has treated thousands of athletes in the San Francisco Bay Area, I get asked about