Duck is not a food. Fever is more nutritious or stimulating especially easy to induce certain diseases (especially old diseases) or aggravate the existing disease food. Under normal circumstances, food is also food, moderate consumption of most people will not produce side effects or cause discomfort, but only for some special body and its related to certain diseases will cause the onset of disease.
And, like chicken, eggs, pork, etc. to the human body for the foreign protein, this foreign protein can constitute an allergen and lead to human disease, this is the hair of the food.
There are also fish, shrimp, crab, etc. is also hair, because these foods themselves contain histamine, histamine will increase vascular permeability, capillary congestion, plasma exudate and edema, glandular secretion and eosinophilic leukocytes increase, leading to body allergies, allergic reactions, causing skin diseases. Such as the appearance of erythema, pimples, blisters, fever and so on.
Some hypersensitive patients even have allergic reactions to rice, wheat and corn. Wine, onions, garlic can be directly caused by alcohol skin capillary dilation or volatile promoter substances, accelerate blood flow, make the original skin disease aggravation or disease hardening.
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Expanded Information: The reason why hair products can cause old diseases to recur or aggravate the condition, some scholars summarize that there are three possibilities: One of the above is that these animal foods contain certain hormones, which will prompt certain functions in the human body to be hyperactive or metabolic disorders. For example, glucocorticosteroids in excess of physiological doses can induce the spread of infections, bleeding ulcers, seizures, etc., causing the recurrence of old diseases. The second is that certain foods contain heterogeneous proteins that become allergens, causing the recurrence of allergic diseases. Such as sea fish, shrimp and crab often cause skin allergy urticaria, eczema, neurodermatitis, impetigo and other stubborn skin disease attacks. Tofu milk can sometimes cause asthma flare-ups. Third, some of the more irritating food, such as alcohol, onions and garlic and other spicy and irritating food on inflammatory infections foci, it is very easy to cause the spread of inflammation, boils go yellow. This is what Chinese medicine said heat confirmed evidence avoid eating spicy stimulating hairy reason. Generally lead to fever, sores, fire, wind, phlegm, flatulence, constipation, diarrhea, as well as induced chronic diseases. Some manifestations of ingested food allergies, such as allergic purpura, dermatitis, eczema, enteritis, urticaria, etc., are included in the allergic diseases referred to in modern medicine. /baike.baidu.com/item/%E5%8F%91%E7%89%A9 "target="_blank "title="Only support the selection of a link when in effect">Baidu Encyclopedia - Hair