People allergic to birch pollen need to know that they can also react to soybeans because they have similar proteins. Similarly, those allergic to soy should also not try birch remedies.
When there are allergies it is very important to know that potentially dangerous cross reactions can be given.
But soy is also part of bakery products and pastry for mass consumption, so there are a lot of people who consume it without knowing it.
One in three people allergic to soy or birch can also be apples, peaches, cherries and nuts.
Birches are often located near watercourses and wetlands. In the last years it has been introduced in gardens, being a resistant species.
Its flowering and pollination, occurs during the months of March to May, reaching the highest concentrations of pollen during the month of April. The intensity of pollination varies from one year to another.
The first symptoms of allergic reaction to birch pollen are rhinitis, asthma and itching and redness of the eyes.
Soy allergy manifests with swelling in the lips, face, tongue, throat and other parts of the body; h I ormigueo mouth; Itchy skin; Difficulty exhaling; od abdominal smell, accompanied with diarrhea, nausea or vomiting.
The major problem that therapists face is the correct diagnosis of allergy. Allergic reactions are detected by the excessive presence of IgE immunoglobulins in the blood, but the difficulty is finding the allergen responsible.
There are skin tests that consist of puncturing the skin of the arm or back so that the subdermal cells come in contact with a small amount of the allergen substance and watch for signs of any reaction, such as swelling and redness.
Desensitization therapy has been shown to be effective in some food allergies. It consists in administering a dilution with a minimum amount of the allergenic substance, which is placed under the tongue, in order to cause an adaptation of the immune system. If it succeeds, after six months or a year it can abandon the diet and return to take the food that caused the reaction, in this case, the soy.
But since it is not an essential food, most affected simply avoid it.
Where is the birch?
The birch has great ornamental value because of its silvery bark and the color of its autumn foliage, but it is also used to obtain wood and as a medicinal plant.
In the northwest of Spain it is very used in linear plantations to the sides of the roads.
The birch bark has febrifugal properties and is given in infused powder.
Boiled sap is used as a mouthwash for throat diseases, mouth ulcerations and gum irritation.
With the roots is made a skin ointment that helps the healing of wounds, pimples, scabies, rashes and pustules of the skin.
The leaves have diuretic properties and can be infused.
The bark is waterproof and is used to make clogs, baskets, boxes, etc. In North America the bark was often used for the construction of canoes.
The wood is very suitable for objects of small size like tool handles. Russian matrioskas are made with birch. It also gives excellent charcoal.