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2021年8月18日 · 6 min read. Traveler's diarrhea is an intestinal infection that occurs as a result of eating or drinking contaminated food or water. Food handlers who do not wash their hands after they use the...
2021年10月19日 · Pinch your nostrils closed. Use your thumb and index finger to hold your nostrils closed for 5 to 10 minutes while you breathe through your mouth. This puts pressure on the part of your nose that ...
