grandmother hypothesis,”From the age of about 45,women are no longer subjectto the limits of pregnancy,and most contribute in somesignificant way to the wellbeingof their adult childrenand grandchildren

grandmother hypothesis,”From the age of about 45,women are no longer subjectto the limits of pregnancy,and most contribute in somesignificant way to the wellbeingof their adult childrenand grandchildren

animportant social role.A growing number ofbiologists suggest that womenhelp succeeding generationsthrive. This notion—sometimeslabeled this —seems to haveworldwide validity.”