飲食影響asthma產生，特別是burger

魚，水果蔬菜似乎可以保護asthma
但是用問卷做的

Is Fast Food Associated with Increasing Asthma Prevalence?

More-frequent burger consumption is associated with a higher prevalence of wheezing in children; consumption of fish, fruit, and vegetables might be protective.

Some evidence suggests correlations between consumption of certain foods and development of allergies and asthma. Diets rich in fruits and vegetables might help prevent asthma symptoms, whereas ingestion of saturated fats and trans fatty acids might contribute to atopic disease. The International Study on Allergies and Asthma in Childhood examined the association between dietary factors and asthma and allergy in 50,004 randomly selected children (age range, 8–12 years) in 20 countries. Parents completed questionnaires on dietary habits and allergic symptoms of their children.

High consumption of fresh fruit, fruit juice, and cooked green vegetables was associated with significantly lower prevalence of wheezing in nonaffluent countries (but not in affluent countries). High fish intake was associated with lower rates of wheezing in affluent countries. High burger consumption three or more times per week (but not meat consumption) was associated with a higher prevalence of asthma in affluent countries (odds ratio, 1.42, compared with never or occasionally). Consumption of fish or vegetables three or more times per week was associated with a lower prevalence of wheezing. No associations were found between consumption of these foods and positive skin-prick tests for atopy.

Comment: This large international study demonstrates some interesting relationships between the food we eat and the development of wheezing or asthma. The antioxidants in fruits and vegetables can have protective effects on the immune system and n-3-polyunsaturated fatty acids in fish have anti-inflammatory properties. Since high burger consumption, but not meat consumption, was associated with wheezing, the risk might be related to lifestyle factors associated with frequent burger consumption (i.e., consumption of fast food or trans fatty acids).

— Robin Drucker, MD

Published in Journal Watch Pediatrics and Adolescent Medicine June 23, 2010
Citation(s):

Nagel G et al. Effect of diet on asthma and allergic sensitisation in the International Study on Allergies and Asthma in Childhood (ISAAC) Phase Two. Thorax 2010 Jun; 65:516.

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* Medline abstract (Free)

https://docs.google.com/fileview?id=0B278nGJMQBk7OGI2ZDU5ZTctZjc3Yi00ODExLThlZWQtYjRlMWFjN2Y1Nzky&hl=zh_TW

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