 It's Your Body, brought to you by Lowe's. Here's Dr. Jennifer Ashton. We know sleep is good for us, but it may also help with our fitness and exercise goals. I'll tell you more after this. Oh, no. Stomach issues again? Stomach issues? Who are you? Your pancreas. I could be the real reason for your diarrhea, gas, bloating, stomach pain, or loose oily stools. I thought it was my stomach.