Board Thread:False Info and Speculative Discussion/@comment-4815136-20140817115322/@comment-4091815-20140902053052

This gets us back into the absence of evidence discussion - shows about magic will say "magic" they aren't coy about it.

This show has gone out of it's way not to say it's magic within the episodes - even having Deaton point out that he's just a vet when questioned.

Everything that's happened has been biological in nature - physical changes to the body and the world.