49 health 'facts' you've been told all your life that are totally wrong

Carrots give you night vision. Swimming after eating will give you cramps. You need to drink eight glasses of water a day. Organic food is more nutritious and free of pesticides.

Nope, nope, nope, and nope.

Who hasn't shared these and other amazing-sounding notions about about health and the human body, only to feel embarrassed later on - when you find out the information was inaccurate or flat-out wrong?

It's time to put an end to these alluring myths, misconceptions, and inaccuracies passed down through the ages.

To help the cause we've rounded up and corrected dozens of the most popular health "facts" that we've heard.

Have any favorites we missed? Send them to science@techinsider.io.

Kevin Loria, Lauren Friedman, Kelly Dickerson, Jennifer Welsh, and Sean Kane contributed to this post. Robert Ferris contributed to a previous version.