8+ hour, 23+ min ago  (167+ words) What does it mean to live a long life? Lifespan, which is the time from birth to death, is not the full picture, according to Dr. Li Jian'an. What also matters is'healthspan, which Li defines as "the years a person…...

3+ mon, 5+ day ago  (173+ words) news. cgtn. com Active aging in a longer-living society As China's life expectancy reaches 79 years " among the world's highest " population aging should be seen as a sign of social progress rather than a "gray tsunami," says Professor Wang Hongman, director…...