The results, say the authors, indicate that aged satellite cells have an intrinsic ability to regenerate. "We know old tissue repairs poorly, but it's not because there aren't stem cells ready to do ...

Collagen is found in connective tissue, skin, tendons, bones, and cartilage. It provides structural support to tissues and plays important roles in cellular processes, including: tissue repair ...

A new tool, called Morpheus8, uses tiny needles and radio frequencies to stimulate collagen and remodel tissue, allowing dermatologists more control over the shape of skin. The tool has become a ...