Publications by authors named "D Matthias"

Our global food system lacks the critically needed micronutrients to meet the daily requirements of the most at-risk populations. Diets also continue to shift toward unhealthy foods, including the increased intake of salt. While most countries exceed the WHO's recommended levels, sodium does play an essential physiological role.

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We study pattern-forming dissipative systems in growing domains. We characterize classes of boundary conditions that allow for defect-free growth and derive universal scaling laws for the wave number in the bulk of the domain. Scalings are based on a description of striped patterns in semibounded domains via strain-displacement relations.

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Background: Iron-deficiency anemia is a major public health problem among school-aged children in sub-Saharan Africa.

Objective: To evaluate the effectiveness of micronutrient-fortified rice to increase hemoglobin (Hb) concentration and reduce the prevalence of anemia among schoolchildren.

Methods: Nine hundred four schoolchildren participated in this cluster-randomized trial during a 7-month intervention period.

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Key components to support local institutional and consumer markets are: supply chain, finance, clinical use, and consumer use. Key lessons learned: (1) Build supply and demand simultaneously. (2) Support a lead organization to drive the introduction process.

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Legal mandates can play an important role in the success of rice fortification programs that involve the private sector. However, merely enacting mandatory legislation does not guarantee success; it requires a coordinated, multidimensional cross-sector effort that addresses stewardship, develops an appropriate rice fortification technology, enables sustainable production and distribution channels through a range of private-sector players, ensures quality, generates consumer demand, and monitors progress. Furthermore, economic sustainability must be built into the supply chain and distribution network to enable the program to outlast government administrations and/or time-limited funding.

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