oj-toothpaste-yuck

ACS Video: Why Toothpaste And OJ Don't Mix

Oct. 6, 2014
The American Chemical Society explains why good juice goes bad.

If you need to win a "What's Grosser than Gross?" contest, toss out  drinking orange juice right after brushing your teeth.  The American Chemical Society has issued a short video to explain why yummy juice turns so sour after proper oral hygiene.