Lone Star Ticks Spreading Across U.S., Triggering Meat Allergies

Alpha-gal syndrome causes potentially dangerous allergic reactions in infected individuals, affecting their ability to consume red meat.

A tick small enough to escape notice is quietly reshaping the health landscape of the United States. The lone star tick, once a creature of the South, has extended its range across much of the country, carrying with it the capacity to permanently alter how its hosts relate to food. Through a mechanism both biological and strange, its bite can trigger alpha-gal syndrome — an allergy to red meat that arrives not in the moment of the bite, but hours or days later at the dinner table. The expansion of this tick is less a sudden crisis than a slow, widening consequence of climate, ecology, and huma

Lone Star Ticks Spreading Across U.S., Triggering Meat Allergies

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