Aging seems to be an irresistible natural law, and at the same time, how to “fight aging and achieve immortality” has become an eternal research topic. Nowadays, thanks to the rapid development of biotechnology, research on anti-aging has become increasingly popular.   In 2006, the team of Shinya Yamanaka of Kyoto University in Japan first reported related research on induced pluripotent stem cells (iPSC). They found that by introducing four…