Zero calorie foods--can you really eat as much as you want guilt-free? Do they really help you lose weight? We break it all down. Plus, Leah Remini on her 80 pound weight loss and the Scientology scandal. What chef Nigella Lawson eats to feel good, and new dinner side dishes when you’re out of ideas.

We've all been there — we get a cramp in our stomach, maybe with some nausea or constipation. It's easy to think it may just be indigestion. But what if it's something more serious like diverticulitis? That's a condition of inflammation or infection in one or more small pouches that can form in your digestive tract. Here's how to tell the difference between the pain and how to know when you should see a doctor.

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