The Worst Episodes of Diagnosis

The once-athletic Angel, 23, suffers from episodes of muscle pain so severe she often can't move. As she begins a nursing career, she needs answers.

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The parents of bright and charming, Sadie, 7, seek alternatives to the devastating brain procedure doctors propose to treat her frequent seizures.

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Day by day, Willie, 46, loses pieces of himself. He has memory loss, seizures, mood sings, a brain lesion -- but no diagnosis. Can the crowd help?

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Six-year-old Kamiyah suddenly and briefly go limp dozens -- sometimes hundreds -- of times a day. Now the search is on to find others like her.

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Lashay, 17, can't hold anything down that she eats or drinks. But negative interactions with previous doctors leave her family leery of the crowd's advice.

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Matt, 20, experiences fainting spells that stop his heart, each one preceded by a sense of déjà vu. But is the issue with his heart -- or his head?

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Two very different people are desperate for a diagnosis to their unexplained paralysis: textbook "good patient" Joe, 61, and more skeptical Ann, 44.

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