Gene therapy is transforming the way rare genetic disorders are studied and treated by addressing the underlying genetic cause instead of only managing symptoms. Researchers continue to develop new techniques that improve precision, safety, and long-term effectiveness for various inherited conditions. While not every disorder currently has an approved gene therapy, ongoing clinical research is expanding treatment possibilities for many patients. Understanding the latest advances helps individuals, families, and caregivers stay informed about emerging medical innovations. This guide explains how gene therapy works, highlights recent progress, discusses potential benefits and limitations, and explores future directions in rare genetic disorder research.