Pre-marinated meats may be convenient, but are they safe or just covered-up old meat? We investigate. And, is there a healthier and better butter? Plus, Shark Tank’s Daymond John speaks out about his emergency surgery.

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.