Billy Joel canceled all concerts after doctors found cerebrospinal fluid buildup in his brain. Here's what that means.

Tech Insider : Business
Billy Joel performing on stage
Billy Joel canceled his tour after being diagnosed with normal pressure hydrocephalus.

Ethan Miller/Getty Images

Woman says 'near-vertical' Disney waterslide knocked her unconscious and caused brain damage in new lawsuit

Tech Insider : Travel, Travel
disney typhoon lagoon water park
Disney's Typhoon Lagoon Water Park.

Abigail Nilsson/Disney World

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