Season 9, Episode 19

Humans have been having kids forever, so why are modern parents so bewildered? The economist Emily Oster marshals the evidence on the most contentious topics — breastfeeding and sleep training, vaccines and screen time — and tells her fellow parents to calm the heck down.

To find out more, check out the podcast from which this hour was drawn: “The Data-Driven Guide to Sane Parenting.”