Following the epic crossover between MrBallen’s Medical Mysteries and Redacted: Declassified Mysteries, hosted by Luke Lamana, we’re revisiting some of our favorite episodes where the line between medical mystery and dark conspiracy becomes blurred.

In the 1940s, the people of Donora, Pennsylvania fall prey to a deadly epidemic that destroys their lungs. Doctors suspect it has something to do with the fog that is constantly blanketing their town… but why now? They need to find an answer fast – before the darkness claims more victims.

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