Imagine trying to design a key for a lock that is constantly changing its shape. That is the exact challenge we face in ...

Objectives The optimal maternal age at childbirth has been a topic of bourgeoning literature, with earlier ages offering physiological benefits for maternal recovery. In contrast, later ages to give ...

With the share of immigrants in the U.S. population near a historic high of about 14 percent, or 45 million, a new analysis of census data published by the Institute for Family Studies has highlighted ...