Archive for December, 2009

asthma in rapidly changing environment

asthma rapidly increases with severe changes in we

weather. cough is an especially prevalent symptom

om with H1N1 flu so prevalent. It is now present in

all 194 countries of the UN. Extended cough beyond

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air pollution and effects on asthma

exposure to air pollution can result in increased asthma. Exposure to high levels of diesel fuel can cause people walking in those areas to have higher levels of asthma. The changes include increase in inflamatory mediators. one proposed mechanism is epigenetic changes caused by DNA methalation. They showed that black carbon as opposed to small particulate exhaust matter and or sulfates was significantly correlated with decreased lung function. Black carbon might be a proxy for exposure to benzene in the ambient air coming from traffic pollution. This phenomenon appears to lead to increase homosystiene in the blood. Ingestion of Folate may lead to reversing this phenomena.

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Angioedema is swelling between the layers of the skin. The causes include autoimmune disease such as thyroid and systemic lupus erythematosis,rheumatoid arthritis and sjogrens syndrome. in addition certain malignancies such as nonhodgkins lymphoma and hodgkins disease can give off immune antibodies and cause hives and urticaria. Also infectious diseases such as hepatitis and viral diseases can also set off urticaria or swelling on the top of the skin. Also certain physical urticarias such as cold and increased body heat can increase hives. Usually autoimmune angioedema, infections and drugs cause the hives to go on for months. patients should carry an epipien to prevent swollen larynx from causing a life threatening situation. Also a specific genetic disease such as c 1 esterase can cause the body to continuously swell. i will deal with therapies in tomorrows blog.

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food allergy to peanut

food allergy starts when we ingest the protein ara a in peanut and then the body absorbs the protein in the mucosa of the esophagus. studies show that absorption of the protein at a young age leads to lower sensitivity to the allergen. there was a study that showed that societies such as the middle east where they gave their children peanut at a much younger age suffered less peanut allergy than children in western countries such as England. They compared children in Israel with children in England and found that the english children had higher peanut allergy because they were fed with less peanuts as children

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