Background According to the hygiene hypothesis, individuals raised in a sanitary
environment have a higher risk of developing inflammatory bowel diseases (IBD). However …

Background & Aims Multiple environmental factors have been associated with the
development of inflammatory bowel diseases (IBDs). We performed an umbrella review of …

AIM: Advances in genetics and immunology have contributed to the current understanding of
the pathogenesis of inflammatory bowel diseases (IBD). METHODS: The current opinion on …

Objective. Environmental factors have been implicated in the etiology of inflammatory bowel
disease (IBD), but evidence for the hygiene hypothesis is unclear. We investigated the …

Objective The rising incidence of inflammatory bowel disease in Asia supports the
importance of environmental risk factors in disease aetiology. This prospective population …

Inflammatory bowel diseases (IBD), which consists of Crohn disease and ulcerative colitis,
are chronic inflammatory conditions of the gas‐trointestinal tract. In genetically susceptible …

Background: The role of environmental factors in development of inflammatory bowel
disease (IBD) remains uncertain. The aim of the present study was to assess a number of …

Background & Aims The incidences of the inflammatory bowel diseases (IBDs) Crohn's
disease (CD) and ulcerative colitis (UC) are increasing, indicating gene–environment …

Abstract Background and Aim: The rapid increase in inflammatory bowel disease (IBD)
incidence confirms the importance of environment in its etiology. We aimed to assess the …

Background Genetics and environmental factors are implicated in the etiology of
inflammatory bowel disease (IBD). We studied environmental factors in a population-based …