US dads of newborns are greying—percentage over 40 doubled since the 70s

Age increased across the board, in different races, education levels, and regions.

I Grew Out My Grey Hair At 42 - Chatelaine

Science Ars Technica

Celebrity Babies Born in 2023

Science Ars Technica

QuickStats: Distribution of Births, by Gestational Age --- United States, 1990 and 2005

How to Have Twins: Chances of Having Twins

August, 2017

I Want to Be Like Nature Made Me”: Medically Unnecessary Surgeries on Intersex Children in the US

The number of young adults living with their parents has reached record highs, not seen since the Great Depression in the 1940s — Nearly half of young adults ages 18-29 in the