Mar 07
Pepto Bismol, that faintly bubblegum-flavored sludge from your medicine cabinet, was actually once considered something of a wonder drug. Bismuth subsalicylate (BSS), the active ingredient in Pepto, is derived from Bismuth salts. Even as a salt, people have used bismuth since the 18th century for its anti-inflammatory, bactericidal, and antacid properties. And when mixed with zinc salts, BSS forms a potent remedy for diarrhea—perfect for treating cholera-infected infants in the days before penicillin. More »
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