Why Does Toothpaste Make Everything Taste Bad?

Have you ever noticed that toothpaste makes some yummy foods, like orange juice, taste awful? QQ explains! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://chemse.oxfordjournals.org/content/5/4/317.full.pdf http://mentalfloss.com/article/20151/why-does-everything-taste-bad-after-you-brush-your-teeth http://health.howstuffworks.com/mental-health/human-nature/perception/orange-juice-toothpaste.htm