Hygiene hypothesis: is the evidence the same all over the world?

RW Leong, N Mitrev, Y Ko - Digestive diseases, 2016 - karger.com
hygiene-related environmental risk factors and the risk of IBD, where some populations have
and have not supported the hygiene hypothesis. … to support the hygiene hypothesis if the …

Investigating the hygiene hypothesis as a risk factor in pediatric onset Crohn's disease: a case-control study

DK Amre, P Lambrette, L Law, A Krupoves… - Official journal of the …, 2006 - journals.lww.com
… We did not find any support for the hygiene hypothesis. Nonetheless, the relationship
between infection exposures and CD is likely to be more complex and the pattern, type, and …

Environmental risk factors in inflammatory bowel diseases. Investigating the hygiene hypothesis: a Spanish case–control study

P López-Serrano, JL Pérez-Calle… - Scandinavian journal …, 2010 - Taylor & Francis
… The main findings of this work support the “hygiene hypothesis” as a risk factor for IBD.
This association has been extensively proposed for allergic disorders, asthma and various …

Too clean, or not too clean: the hygiene hypothesis and home hygiene

SF Bloomfield, R Stanwell‐Smith… - Clinical & …, 2006 - Wiley Online Library
… Biological plausibility is one of the greatest strengths of the hygiene hypothesis. The
hypothesis … They conclude that birth order, diet and smoking are the risk factors in the maternal …

Risk factors for inflammatory bowel diseases according to the “hygiene hypothesis”: a case–control, multi-centre, prospective study in Southern Italy

F Castiglione, M Diaferia, F Morace… - Journal of Crohn's …, 2012 - academic.oup.com
risk factors related to the hygiene hypothesis in our cohort of patients. None of the surrogate
risk factors … On the contrary, as shown in the same table, the well-known risk factors such as …

Hygiene hypothesis and autoimmune diseases

GAW Rook - Clinical reviews in allergy & immunology, 2012 - Springer
… In the absence of the Old Friends, not only is immunoregulation inadequately primed, but
also these genetic variants cause excessive inflammation and become risk factors for chronic …

The low prevalence of allergic disease in Eastern Europe: are risk factors consistent with the hygiene hypothesis?

MS Kramer, L Matush, N Bogdanovich… - Clinical & …, 2009 - Wiley Online Library
… Conclusion Many of the risk and protective factors we identified are consistent with those …
hygiene hypothesis. Further research on dietary and other environmental and genetic factors is …

Mechanisms of disease: the hygiene hypothesis revisited

F Guarner, R Bourdet-Sicard, P Brandtzaeg… - Nature clinical practice …, 2006 - nature.com
factors can explain the rapid changes observed over the past few decades. A high level of
hygiene has repeatedly been identified as a risk factor for … Interestingly, neither hygienic nor …

The hygiene hypothesis revisited

JD Bufford, JE Gern - Immunology and Allergy Clinics, 2005 - immunology.theclinics.com
… The implications of the original hygiene hypothesis were that the decrease in family size
led to a reduction in the number of childhood infections, which adversely affected immune …

The 'hygiene hypothesis' for autoimmune and allergic diseases: an update

H Okada, C Kuhn, H Feillet… - Clinical & Experimental …, 2010 - academic.oup.com
… The hygiene hypothesis is based upon epidemiological data, … Proof of principle of the
hygiene hypothesis is brought by … in favour of the hygiene hypothesis with particular interest on …