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.
The ingestion of black licorice, lead, Pepto-Bismol, or blueberries can. all cause black stools or false melena. Stools should be tested for the presence of hidden blood. Some upper GI causes of bloody stools can also cause vomiting blood such as in peptic ulcer disease.