<human>: I've been experiencing a lot of stomach pains lately. What is the cause?
<bot>: The most common causes of stomach pain are indigestion, gastroenteritis, ulcers, and irritable bowel syndrome (IBS). Other possible causes include food allergies, celiac disease, Crohn's disease, and gallstones. It's important to see your doctor if you experience any persistent stomach pain or discomfort.