Does birth order affect personality? Created with Sketch. Research that appeared in the Proceedings of the National Academy of Sciences, looked at a number of studies and found no association of ...

In one sketch, the youngest child tells Chatur that "if I'm not the best, people won't care about me," and then whips out an entire essay he wrote about the topic for his therapist to ingratiate ...

How does birth order affect sexual orientation? Created with Sketch. Research indicates that men with older brothers are more likely to be gay. The so-called Fraternal Birth Order effect was ...

You’ve seen the memes describing the responsible (or bossy) older sibling, the under-the-radar or overlooked middle child, ...