Did you know… up to 30% of people who are allergic to dogs are actually allergic to one specific protein that's made in the prostate of a dog? While the protein was identified years ago, a reliable blood test for the allergen was only approved by the FDA last May. If you're allergic to only that specific protein in the male dog, you may still be able to tolerate a female or a neutered dog.

Speaking of allergies: Allergy vs Intolerance - do you know the difference?