As advancements in technology were made, people gained an even better understanding of diseases through research, especially diseases regarding the major organs. In the 21st century, with breakthroughs in genetic engineering, there was now hope for many diseases to be conquered forever.
However, Zhang Fan was a pessimist. Even though he had his System, he was still a pessimist. The more he was grinding, the more pessimistic he became!
Stem cell research had recently been developing quite rapidly. In southern China, especially among the rich people and middle-class people around Hong Kong and Taiwan, many of them started preserving large amounts of their own stem cells. Some also went abroad to other countries such as Korea to inject stem cells in order to slow down the process of aging.
