Gene therapy is transforming the way researchers and healthcare professionals approach rare genetic disorders by targeting the underlying genetic cause rather than only managing symptoms. Scientific advances have improved the safety, precision, and effectiveness of these treatments, offering new possibilities for individuals living with inherited conditions. While many therapies remain under research or are approved only for specific disorders, continued innovation is expanding treatment options. Understanding how gene therapy works, its potential benefits, current challenges, and future developments can help readers gain a clearer picture of this rapidly evolving field and its role in modern healthcare research.