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Health Impacts Related to Food and Nutrition Insecurity 

Health Impacts Related to Food and Nutrition Insecurity
Health Impacts Related to Food and Nutrition Insecurity

Alan D. Dangour

, Rosemary Green

, Jennifer Sutherland

, Louise Watson

, and Timothy R. Wheeler

Page of

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date: 28 July 2021

Undernutrition has significant adverse effects on health and cognitive and social development. Climate change–related alterations of the water cycle pose risks to food supplies but will vary by location. The contrast between wet and dry regions is likely to increase. Droughts will become more common in regions where they have occurred in the past (such as sub-Saharan Africa and Central America), while flood-prone areas (such as South Asia, East Asia, and Northern Europe) will likely experience increased frequency of flooding. Risk of inundation and groundwater saline intrusion in coastal areas are threats to food and water supplies in these regions. Adaptation to the consequences of climate change involves the careful management of natural resources and building of food systems that are more resilient to climate extremes. This chapter also contains textboxes on severe drought and famines and on threats from plant pathogens.

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