Evaluation of public health and economic impacts of dietary salt reduction initiatives on social security expenditures for cardiovascular disease control in Japan.

Miwa Yamaguchi, Nobuo Nishi, Ikuko Kashino, Nayu Ikeda, Takehiro Sugiyama, Katsuyuki Miura

Journal: Hypertension research : official journal of the Japanese Society of Hypertension 2025;48(4):1265-1273

PMID: 39962165

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Abstract

Japan has undertaken extensive efforts to reduce dietary salt intake and prevent cardiovascular diseases. Although salt consumption has decreased over time, levels remain high, highlighting the need for continued promotion of low-salt food products through collaboration among government bodies, the food industry, academia, and other stakeholders. Effective policy development requires an environment that enables stakeholders to apply scientific evidence on the cost-effectiveness of salt reduction strategies. Our ongoing research focuses on developing simulation models to predict future public health and economic impacts, supporting the establishment of voluntary targets and evidence-based approaches. These strategies aim to lower salt intake, enhance health outcomes, and manage social security expenditures, thereby fostering sustainable development in an aging society.

Address: National Institute of Health and Nutrition, National Institutes of Biomedical Innovation, Health and Nutrition, Osaka, Japan. [email protected].; National Institute of Health and Nutrition, National Institutes of Biomedical Innovation, Health and Nutrition, Osaka, Japan.; Diabetes and Metabolism Information Center, Research Institute, National Center for Global Health and Medicine, Tokyo, Japan.; Institute for Global Health Policy Research, Bureau of International Health Cooperation, National Center for Global Health and Medicine, Tokyo, Japan.; Department of Health Services Research, Institute of Medicine, University of Tsukuba, Ibaraki, Japan.; NCD Epidemiology Research Center, Shiga University of Medical Science, Shiga, Japan.; National Institute of Health and Nutrition, National Institutes of Biomedical Innovation, Health and Nutrition, Osaka, Japan.; Graduate School of Public Health, St Luke's International University, Tokyo, Japan.

DOI: 10.1038/s41440-025-02108-z

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MeSH Terms: Humans, Cardiovascular Diseases, Japan, Public Health, Social Security, Sodium Chloride, Dietary, Diet, Sodium-Restricted, Cost-Benefit Analysis