That movie is expected to arrive in fall 2015, but in the meantime, we're celebrating Christmas Vacation.. In honor of the holiday classic's 25th anniversary, we're catching up with where the cast is now in the gallery above.
It turns out that the active ingredient in Pepto-Bismol (bismuth subsalicylate) contains a chemical called bismuth. When a small amount of bismuth combines with trace amounts of sulfur, a black-colored substance (bismuth sulfide) is formed.
Black: Black stool is a surprisingly common side effect and can be caused from anything from a night of binging on black licorice and Guinness, to your iron supplement regimen, to ingesting large amounts of bismuth subsalicylate aka Pepto-Bismol.