Apple cider vinegar has created a booming market. Are supermarket shelves being stocked with products that are counterfeit? The results of our investigation. Plus, could frozen yogurt machines make you sick? The hidden danger.

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.