If you're dealing with gastrointestinal distress, eating a bland diet may help relieve heartburn, vomiting, diarrhea, and nausea. A bland diet can also be an effective way to treat peptic ulcers, especially when coupled with certain lifestyle changes, such as lessening stress.To fit the bill, bland foods are typically soft in texture, lower in fiber, higher in pH, and mildly seasoned. These factors help prevent an increase in acid production, reflux,...