7 of the Strangest Allergies

When you think of allergies, the first thing that comes to mind is probably seasonal allergies, but there are a handful of strange allergies can be much harder to avoid than pollens. Hosted by: Michael Aranda Support SciShow by becoming a patron on Patreon: Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D. A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie