This comprehensive, interdisciplinary volume explores real-world applications across major diseases, including heart failure, Parkinson's disease, corneal disorders, diabetes, and blood disorders, addressing critical gaps such as organ shortages and limited donor availability. Featuring insights from leading global experts, case studies of breakthrough therapies, and discussions on clinical translation, manufacturing, regulatory pathways, and ethical challenges, the book traces the journey from laboratory discovery to bedside implementation. It highlights emerging technologies such as iPSCs, CRISPR, CAR-T, organoids, and bioengineered scaffolds, offering a forward-looking perspective on novel therapeutics. Essential for researchers, clinicians, and industry professionals, this book envisions a future where injury, disease, and even aspects of aging may be reversible.