To prevent allergies, should towns be moved to the countryside?

被引:1
作者
Charpin, D [1 ]
Gouitaa, M [1 ]
机构
[1] Hop Nord, Serv Pneumol Allergol, F-13915 Marseille 20, France
来源
REVUE FRANCAISE D ALLERGOLOGIE ET D IMMUNOLOGIE CLINIQUE | 2001年 / 41卷 / 03期
关键词
allergy; asthma; environment; occurrence; risk factors;
D O I
10.1016/S0335-7457(01)00025-9
中图分类号
R392 [医学免疫学];
学科分类号
100102 ;
摘要
Several recent cross-sectional epidemiological surveys have demonstrated a significantly lower prevalence of asthma, allergic rhinitis and atopy in farmers compared to people living in rural areas without farming activities. This protective effect does seem to be related to contact with livestock and cattle through regular exposure to Gram negative bacteria and endotoxins, which stimulate the Th1 pathways. However such compounds have detrimental effects in patients with established asthma. (C) 2001 Editions scientifiques et medicales Elsevier SAS.
引用
收藏
页码:257 / 261
页数:5
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