4 Scary Allergies You Might Not Have Known Existed
Do you have allergies? The odds are good you might have at least one: over half of the population of the United Statestests positive for some sort of allergy. Food allergies, pet dander, and hay fever are all common. But some allergies are a step beyond the sniffles, or avoiding a certain food group. You can develop allergies to things that seem everywhere and completely unavoidable. Here are a few allergies that wouldn't even occur to most people, but are life-changing to those who have them.