Stem-based repair is a research area within regenerative medicine that focuses on using stem cells to repair damaged or diseased tissues and organs in the body. Stem cells are unique cells that have the ability to differentiate into various cell types and have the potential to regenerate damaged tissues. Researchers are exploring the use of stem cells in a variety of medical applications, such as repairing damaged heart tissue, restoring function to injured spinal cords, and treating degenerative diseases like Parkinson's and Alzheimer's. This field holds great promise for revolutionizing the treatment of a wide range of medical conditions and injuries.