Red light therapy is used for arthritis, tendons, and nerve pain. Here’s what the clinical trials show — and how professional lasers compare to home devices.

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

Red light therapy is everywhere in sports recovery. Here’s what a recent meta-analysis shows — and whether the science supports the hype.