These jaw-dropping ideas from the past will make you laugh, cringe, and wonder how anyone ever believed them.

You won’t believe the downright ridiculous things people used to believe back in the ’50s and ’60s. From bizarre gender roles to cringe-worthy health advice, these outdated ideas might leave you shaking your head—or laughing out loud.
Sure, times were different, but some of these beliefs are so over-the-top that you’ll wonder how they ever made sense. Let’s take a thoughtful stroll down memory lane and explore 13 of the most hilariously outdated ideas that wouldn’t stand a chance today.