Live Longer: Human may prolong life span greatly - In English and Chinese

Human lifespan is an important topic related to each individual. Everyday life of each individual affects his or her lifespan. However, most people do not pay attention to how long the lifespan actually is because they think it is far away from today's life. How long the lifespan is also considered by some people as a pre-determined subject and it is useless for average people to think about it. Even millionaires and billionaires may think they have seen through the meaning of lifespan. But with years of studies, we are convinced that lifespan can be significantly extended if enough efforts are made...