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Interventions That Successfully Reduced Adults Salt Intake-A Systematic Review
Tânia Silva-Santos1, Pedro Moreira1,2,3, Micaela Rodrigues1
1Faculty of Nutrition and Food Sciences, University of Porto, 4150-180 Porto, Portugal.
Nutrients
|January 11, 2022
Summary
Reducing dietary salt intake is crucial for lowering blood pressure and cardiovascular disease risk. Recent global interventions, including health education and salt meters, have shown success in reducing sodium consumption.
Area of Science:
- Public Health
- Cardiovascular Health
- Nutrition Science
Background:
- Adequate sodium intake is essential for blood pressure regulation.
- High sodium consumption is linked to increased cardiovascular disease risk.
- Global strategies to reduce salt intake are vital for public health.
Purpose of the Study:
- To identify recent successful interventions worldwide aimed at reducing salt intake.
- To review evidence on the effectiveness of different salt reduction strategies.
Main Methods:
- Systematic review of studies published in the last 10 years.
- Inclusion of randomized trials, pilot interventions, and experimental studies in adult participants.
- Searches conducted in PubMed, Web of Science, and Scopus databases.
Main Results:
- Twenty-one studies were included: 16 randomized trials and 5 non-randomized studies.
- Interventions included health/nutritional education (11 studies), combined education with other methods (7 studies), and use of salt meters (3 studies).
- All analyzed interventions demonstrated success in reducing salt consumption.
Conclusions:
- Health and nutritional education, combined interventions, and salt intake estimation tools are effective in reducing salt consumption.
- No single intervention type is definitively more effective than others.
- Tailoring interventions to specific individuals or subpopulations is key for optimal results.
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