Hunger pangs may simply be due to skipping meals or fasting, but they can also be caused by dehydration, stress, lack of sleep, diarrhea, constipation, and medications. Certain disorders like IBS, ...

Q: No matter how much I eat, I can’t gain weight. Recently, I began having extreme hunger pains. It can happen as soon as two hours after I last ate something. I first get stomach cramps. Then, after ...