What is the cause of pollen allergy

Pollen allergy often occurs, and many people do not quite understand what causes pollen allergy. In fact, this is because some people have allergic constitutions, and coupled with poor immunity, it is more likely to cause such allergic symptoms.

1. There are two types of cells in the human body, namely mast cells and alkaliphilic granulocytes, which are widely distributed in the nasal mucosa, gastrointestinal mucosa, around the microvessels in the connective tissue under the skin, and in the capsule of the internal organs. These two types of cells contain allergic mediators such as histamine, leukotrienes, 5-hydroxytryptamine, and kinase. Under the stimulation of environmental factors such as chemicals, air pollution, and sunlight radiation, a large number of free radicals will be produced in the body. If the free radicals are not removed in time after oxidation, they will damage the cell membranes of mast cells and alkaliphils, causing cell membrane denaturation and leading to cell instability. When unstable cells encounter allergens, antigens and antibodies react specifically, causing the cell membrane to detach and release allergic mediators.

2. Allergic mediators can cause smooth muscle contraction, capillary dilation, increased permeability, mucus secretion and tissue damage, thereby triggering allergic reactions. In the process of allergic reaction, allergic mediators play a direct role. Allergens are the external causes of allergic symptoms, while low immune capacity of the body and oxidative damage to mast cells and alkali chromatin by a large number of free radicals are the internal causes of allergies.

3. In addition, according to traditional Chinese medicine theory and the latest research results, allergies are mainly caused by wind, dampness, heat, and evil in the blood and skin, or by blood heat and external wind. That is, it is closely related to the fact that there are certain toxins in the human blood.

4. After the oil and polysaccharides contained in pollen are inhaled by humans, they will be digested by nasal secretions and then release more than ten kinds of antibodies. If this antibody meets invading pollen and accumulates in large quantities, it can cause skin allergies.

5. According to expert research, there are two main reasons: on the one hand, due to the improvement of people's living standards, they consume a lot of high-protein, high-calorie foods such as eggs and meat products in their diet, resulting in the body's ability to produce antibodies being hyperactive. Therefore, when encountering antigens such as pollen, it is more likely to have an allergic reaction. On the other hand, due to air pollution, water pollution and the extensive use of food additives, the human body is exposed to more antigens, which prompts humans to develop allergic diseases.