Do you have undereye circles or sagging skin? Nutritionist Brooke Alpert reveals the real culprit behind your aging: sugar! Get her 4-week plan to take years off your face. Plus, the must-have moisturizing ingredient for younger skin!

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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