While most people think of allergies as sniffles and sneezes, the reality can be very different. For some, allergies result in life-threatening anaphylaxis, a systemic allergic reaction that includes shortness of breath, swelling, and low blood pressure. In those instances, a medical ID can save someone’s life. Who’s Affected and the Cost of Allergies Nearly 1 in 3 adults have seasonal allergies, eczema, food, or medication allergies. Altogether, nearly 100 million people experience allergies in the United States. Anaphylactic food …