The relationship between iron deficiency and allergic diseases

One of the most important trace elements of the human body is iron. This trace element is the most common on earth, with about a third of the world’s population suffering from iron deficiency. According to WHO, the incidence of iron deficiency in the population can range from moderate - 5-19.9%, to high-more than 40%. The main causes of iron deficiency are: insufficient intake from food, impaired absorption or pathological losses. Allergic diseases can cause the formation of iron deficiency as a result of all of the above causes. At the moment, the relationship between iron deficiency and the development of allergic reactions is being investigated. It is known that functional iron deficiency contributes to the development of allergies and exacerbates the course of symptoms in people with allergies. In this article, we summarize the data on the effect of iron deficiency on the immune processes of the human body and predisposition to the formation of atopy.