Wikipedia sayings about adolescence and old age/retirement as examples of how life stages are...

1.Haim Hazan

Hazan (born 1947) is Professor of sociology and social anthropology at Tel Aviv University. His research focuses on old age as a social phenomenon. He is

https://en.wikipedia.org/wiki/Haim Hazan

2.Millennials

raising the age of retirement and making it easier for people to migrate from rural to urban areas. But social scientist Wang Feng warned that as the population

https://en.wikipedia.org/wiki/Millennials