Just as those earlier developments helped extend life expectancy, gene therapy seems to offer the hope of a cure for illnesses against which medicine is currently powerless.
繼公共衛生觀念、麻醉藥、疫苗與抗生素發明，延長了人類壽命之後，基因治療似乎又為目前束手無策的疑難病症帶來了一線生機。