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Corresponding Author

Yuqing He

Abstract

Protein-energy malnutrition (PEM) is a common nutritional deficiency. With the change of lifestyle and eating habits,people pay increasing attention to nutritional health problems,and PEM may have different effects on the health of different age groups. The research analyzed the overall and age-specific trends of PEM incidence in 1990-2019 and to predict its incidence in 2020-2029 in China.

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