Wrist PAIN Treatment: Stretches and Exercises
- Mar 24, 2022
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JEFFREY PENG MD
SPORTS MEDICINE & FAMILY MEDICINE
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Why Most PRP for Knee Arthritis Falls Short: The Platelet Dose Problem
By Dr. Jeffrey Peng, MD · Published May 3, 2026 · 7 min read Watch the Full Video The data on platelet-rich plasma (PRP) for knee osteoarthritis is now overwhelming. PRP outperforms cortisone, hyaluronic acid, and saline placebo across multiple meta-analyses, and it is widely considered the single best injection we have for addressing pain, improving function, and even slowing the progression of knee arthritis. But there is a catch most patients — and even most physicians — d
Jeffrey Peng MD
2 days ago8 min read
Can PRP Injections Regrow Knee Cartilage? New MRI Evidence for High-Dose PRP
By Dr. Jeffrey Peng, MD · Published April 3, 2026 · 8 min read Watch the Full Video There is now MRI evidence that platelet-rich plasma (PRP) injections can help facilitate the regrowth of knee cartilage. A 42-year-old physically active male developed a progressive osteochondral defect after snowboarding. He tried rehabilitation, corticosteroid injections, and even standard PRP — none of which resolved his condition. His orthopedic surgeon recommended arthroscopic surgery.
Jeffrey Peng MD
Apr 37 min read
Can PRP Heal a Torn Rotator Cuff? A 2026 Study Shows Structural Healing
By Dr. Jeffrey Peng, MD · Published April 1, 2026 · 10 min read Watch the Full Video Can PRP actually heal a torn rotator cuff? A brand new 2026 randomized controlled trial has provided some of the clearest evidence we have ever had. Researchers used MRI to measure actual tear volumes before and after treatment, and the group that received platelet-rich plasma (PRP) on top of physical therapy showed significantly greater structural healing than the group that received physi
Jeffrey Peng MD
Apr 15 min read
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