Skip to main content

Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

  • News & Views
  • Published:

IBD

Global variations in environmental risk factors for IBD

IBD has emerged as a global disease. Ng and colleagues have identified that some environmental risk factors are shared across the world, whereas others are distinctly unique to individuals living in Asia. This work adds a new clue to the mystery of the environmental determinates of IBD.

This is a preview of subscription content, access via your institution

Access options

Buy this article

Prices may be subject to local taxes which are calculated during checkout

References

  1. Ng, S. C. et al. Environmental risk factors in inflammatory bowel disease: a population-based case-control study in Asia-Pacific. Gut http://dx.doi.org/10.1136/gutjnl-2014-307410.

  2. Ng, S. C. et al. Incidence and phenotype of inflammatory bowel disease based on results from the Asia-pacific Crohn's and colitis epidemiology study. Gastroenterology 145, 158–165 (2013).

    Article  Google Scholar 

  3. Molodecky, N. A. et al. Increasing incidence and prevalence of the inflammatory bowel diseases with time, based on systematic review. Gastroenterology 142, 46–54 (2012).

    Google Scholar 

  4. Klement, E., Cohen, R. V., Boxman, J., Joseph, A. & Reif, S. Breastfeeding and risk of inflammatory bowel disease: a systematic review with meta-analysis. Am. J. Clin. Nutr. 80, 1342–1352 (2004).

    Article  CAS  Google Scholar 

  5. Calkins, B. M. A meta-analysis of the role of smoking in inflammatory bowel disease. Dig. Dis. Sci. 34, 1841–1854 (1989).

    Article  CAS  Google Scholar 

  6. Khalili, H. et al. Physical activity and risk of inflammatory bowel disease: prospective study from the Nurses' Health Study cohorts. BMJ 347, f6633 (2013).

    Article  Google Scholar 

  7. Frolkis, A. et al. Environment and the inflammatory bowel diseases. Can. J. Gastroenterol. 27, e18–e24 (2013).

    Article  Google Scholar 

  8. Ananthakrishnan, A. N. Environmental risk factors for inflammatory bowel diseases: a review. Dig. Dis. Sci. http://dx.doi.org/10.1007/s10620-014-3350-9.

  9. Molodecky, N. A., Panaccione, R., Ghosh, S., Barkema, H. W. & Kaplan, G. G. Challenges associated with identifying the environmental determinants of the inflammatory bowel diseases. Inflamm. Bowel Dis. 17, 1792–1799 (2011).

    Article  Google Scholar 

  10. Molodecky, N. A. & Kaplan, G. G. Environmental risk factors for inflammatory bowel disease. Gastroenterol. Hepatol. (NY) 6, 339–346 (2010).

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Gilaad G. Kaplan.

Ethics declarations

Competing interests

The author declares no competing financial interests.

PowerPoint slides

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Kaplan, G. Global variations in environmental risk factors for IBD. Nat Rev Gastroenterol Hepatol 11, 708–709 (2014). https://doi.org/10.1038/nrgastro.2014.182

Download citation

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1038/nrgastro.2014.182

This article is cited by

Search

Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing