Nancy Wexler is a hunter. Her quarry is the gene responsible for a fatal, inherited sickness called Huntington's disease. Nancy's work is a breathtaking race against time not only for others but maybe for herself, as well. Nancy Wexler is the daughter of a Huntington's patient and is at risk for this disease. Finding this gene is a vital step toward preventing or curing Huntington's and thus saving lives. Nancy's work takes her all over the world, specifically to small villages in Venezuela where the mysterious gene affects more people than anywhere else on the globe. Blood samples...