Allergy :: essays research papers

Allergies are especially unique in the medical firmament because they differ among patients. An allergic reaction is a specific immunologic reaction to a normally harmless substance, one that does not bother most people. community with allergies are often sensitive to many substances. Common allergens that cause supersensitized reactions include seasonal, outdoor allergens like tree, grass, and weed pollen, and year-round indoor allergens including detritus particles, animal dander, and indoor mold. Most people usually can be cured by various treatments. Many people are unusual why they are hypersensitised and others are not. The answer to this is that allergies are contagious in almost all cases. Scientists and researchers believe that people inherit a tendency to be sensitized, although not to any specific allergen. Children are a lot more likely to develop allergies if their parents have allergies. Interestingly, people with year-round (perennial) allergies commonly deve lop the problem as adults, and are more likely to be women than men. Symptoms can lessen as you get older, but they rarely alone disappear without treatment.Patients who usually have allergies suffer from many symptoms due to the allergic reaction(s). Normally, your immune placement protects you against invading agents such as bacteria and viruses. otherwise harmless allergens (allergy-producing substances) cause your body to react as if they were dangerous invaders. In effect, your immune system is responding to a false alarm. Some of the common allergens that collapse the immune system are animal dander, molds, and dust mites. When you first add together into contact with these allergens, your immune system treats the allergen as an invader and mobilizes an attack. The immune system does this by generating large amounts of a type of antibody (a disease-fighting protein) specific to the particular allergen youre allergic to. In the case of pollen allergy, the antibody is speci fic for each type of pollen one antibody whitethorn be produced to react against oak pollen and another against ragweed pollen. This antibody attaches itself to certain cells in your body. The next time you come into contact with the allergen, the allergen attaches to the antibody like a aboriginal fitting into a lock, causing the release of powerful inflammatory chemicals, including histamine. These chemicals buy the farm into various parts of your body, such as your respiratory system, to cause allergy symptoms including runny nose, itchy eyes, and sneezing, among others.Patients who suffer from allergies usually have some severe disadvantages. Allergy patients usually have trouble sleeping, breathing, and sometimes even feeding or drinking depending on the allergy.