Without This Protein, Damaged Muscle Turns to Fat and Scar Tissue: August 2026’s Critical Discovery
An August 2, 2026 Penn Medicine study found the TRF2 protein is essential for muscle repair — without it, damaged muscle turns to fat and scar tissue. A 40-year pharmacist explains why this matters for aging, sarcopenia, and injury recovery, and the lifestyle factors that protect muscle’s self-repair machinery.