The impoverished gut-a triple burden of diarrhoea, stunting and chronic disease

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March 5, 2013 by WASHplus

Nature Reviews Gastroenterology and Hepatology | doi:10.1038/nrgastro.2012.239

The impoverished gut-a triple burden of diarrhoea, stunting and chronic disease

Richard L. Guerrant, Mark D. DeBoer. Sean R. Moore, Rebecca J. Scharf and Aldo A. M. Lima

Abstract – More than one-fifth of the world’s population live in extreme poverty, where a lack of safe water and adequate sanitation enables high rates of enteric infections and diarrhoea to continue unabated. Although oral rehydration therapy has greatly reduced diarrhoea-associated mortality, enteric infections still persist, disrupting intestinal absorptive and barrier functions and resulting in up to 43% of stunted growth, affecting one-fifth of children worldwide and one-third of children in developing countries. Diarrhoea in children from impoverished areas during their first 2 years might cause, on average, an 8 cm growth shortfall and 10 10 point decrement by the time they are 7-9 years old. A child’s height at their second birthday is therefore the best predictor of cognitive development or ‘human capital’, To this ‘double burden’ of diarrhoea and malnutrition, data now suggest that children with stunted growth and repeated gut infections are also at increased risk of developing obesity and Its associated comorbldities, resulting in a ‘triple burden’ of the impoverished gut. Here, we review the ,growing evidence tor this triple burden and potential mechanisms and interventions that must be understood and applied to prevent the loss of human potential and unaffordable societal costs caused by these vicious cycles of poverty.

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