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.
Confidence votes 319K. Ones stools can stay black or a darker colour for a few days after you've stopped taking pepto bismol. Individual bowel movements and your age can determine how long Pepto Bismol stays in your system. + 26 others found this useful.