Medical ingenuity could lead to solutions to many common health problems within our lifetimes. A new approach, called gene therapy, involves changing problem genes that lead to diseases and health issues. A gene on a particular chromosome that could lead to cancer or some other disease can be replaced with a benign genetic sequence. Already, doctors and medical professionals have used gene therapy to treat leukemia and other blood cancers, and so far, the results look promising.
As man learns more about the complex genetic makeup of our bodies, gene therapy could become an effective treatment for type–I diabetes and numerous other conditions, helping people lead healthier and more enjoyable lives.