Imagine waking up with a weird pain in your stomach. It started around your belly button, but then it moved down to your right side—and you’re also feeling pretty nauseated. Do you have food poisoning? A stomach bug? Weird period cramps? You dial up your doctor’s office for a quick video conference … and he tells you it could actually be appendicitis, so you should head to the ER. Turns out he’s right. In a couple hours, you’re recovering from surgery, and back home within a day—a very important diagnosis made so easily and quickly, you can hardly believe it.

iStock, AndreyPopov

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