Almost everyone has had a bad meal that led to some not-so-fun consequences. You eat something questionable, your stomach churns, and before you know it, you're camped out in the bathroom. Usually, it's a classic case of food poisoning, unpleasant but short-lived. But sometimes, it's more than just a reaction to spoiled food. From viral infections to severe gastrointestinal conditions, the symptoms of food poisoning can overlap with other medical issues that ...