Allergies are a complex immune response in which the body senses an otherwise harmless substance as a threat. When an allergen (dust mites, pet dander, etc) is encountered, the immune system responds by releasing histamines and other chemicals into the bloodstream, causing symptoms such as sneezing, wheezing, or hives. These reactions are intended to help eliminate the perceived threat from the body, but they can also cause serious health problems and discomfort for those who suffer from allergies. Ultimately, understanding how allergies work is critical for anyone who wants to live a healthy and comfortable life despite their allergic sensitivities.
