Jean M. Twenge, professor of psychology at San Diego State University, is the author of Generation Me (2014) and co-author (with W. Keith Campbell) of The Narcissism Epidemic (2009).

BUN IN THE OVEN

Get acupuncture! Cut out fatty food! Just relax! If you’re trying to get pregnant, you’ve heard all of these. But what’s true and what’s not?

40 AND PREGNANT

The notion that women can’t and shouldn’t get pregnant after the age of 35 is finally starting to crumble. Science shows women can safely deliver healthy babies into their 40s.