Taming traveler’s tummy

Travel disrupts many of the body’s natural rhythms, including digestion, increasing the odds of indigestion, diarrhea, or constipation. Food and water in developing countries can be contaminated with germs that make traveler’s diarrhea more likely. Tactics to keep “traveler’s tummy” at bay include packing over-the-counter digestive aids and familiar snacks, and avoiding street food and local water and ice.