Why does orange juice taste bad after you brush your teeth?

Published: April 2, 2020, 10:15 a.m.

It's the lesson we've all had to learn the hard way. The pain our mouths feel when we take a treacherous swig of the post-brush poison. This week, Melissa and Jam delve into all of our childhoods to figure out the chemistry of this infamous mixture. Why does it taste so bad? Who's fault is it, the toothpaste or the orange juice? Also while we're at it, why is it called toothpaste? Nevermind, I'm not sure we'll be able to get to the bottom of that part.