For most people, allergies are a slight inconvenience—when they bring on seasonal sniffles, induce an itch, or cause you to break out in a minor rash. For others though, allergies can be life-threatening.A simple pack of peanuts on a plane can send someone with a peanut allergy into a serious allergic reaction, which is why it’s so important for airlines to stop using peanuts as their go-to snack.Allie of Miss Allergic Reactor is here today to share more about life-threatening…