Muscles that ache after a hard workout usually don’t hurt for long, thanks to stem cells that rush to the injured site along “collagen highways” within the muscle and repair the damaged tissue. But if the cells can’t reach their destination, the damaged tissue can’t regenerate. Over time, it breaks […] https://healthmedicinet.com/i/study-scarring-of-collagen-highway-prevents-stem-cells-from-healing-damaged-tissue-in-duchenne-muscular-dystrophy/