In this Dateline classic, the family of 31-year-old Matthew Podolack searches for answers after a mysterious illness sends the healthy, happy amateur hockey player and family man to the emergency room. Keith Morrison reports. Originally aired on NBC on September 27, 2013.

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.