Alpha-Gal Syndrome Explained: The Tick-Borne Allergy Affecting Diets Worldwide A single tick bite can trigger a bizarre meat allergy—here’s how alpha-gal syndrome is reshaping people’s diets. By Rachel Feltman, Fonda Mwangi & Alex Sugiura Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. Imagine suddenly becoming allergic to a hamburger—or a steak or bacon…