 Aging is a natural process characterized by progressive loss of function and structure of cells and organs. However, recent research has shown that it can be reversed through various techniques such as cellular reprogramming and epigenetic regulation. These techniques have been used to successfully slow down and even reverse the aging process. Furthermore, these techniques are being applied to treat age-related diseases such as cancer. This article was authored by Shuaifei Ji, Ming Chen Xiong, Hua Ting Chen, and others.