英国伦敦大学学院健康老龄化研究中心的一群科学家发现:只要人们每天能少吃40%的食物,寿命就能延长20年。他们希望借此开发出一种全新的疗法来治疗人体老龄化所引发的各种疾病。学者选用了果蝇作为实验对象,因为这种昆虫与人类基因的相似度达 A group of scientists at the Institute for Healthy Aging at the University College London found that as long as people eat 40% less food a day, life expectancy can be extended by 20 years. They hope to develop a new kind of therapy to treat various diseases caused by the aging of the human body. Researchers chose fruit flies as experimental subjects because the similarity between the insect and human genes amounts to