Dr. Oz investigates the extreme, controversial vitamin injections that claim to help you fight fatigue, lose weight and slow the process of aging. Some doctors claim they work, but are they safe? Plus, Dr. Oz busts medication myths and reveals a quick-and-clean eating plan that will help you slim down!

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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