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Relationship Between Salt Intake and Cardiovascular Disease.
Fuzhou Han1, Wenqiang Li1, Ning Duan1
1Department of General Surgery, Aerospace Center Hospital, Beijing, China.
Journal of Clinical Hypertension (Greenwich, Conn.)
|June 24, 2025
Summary
High dietary salt intake significantly increases cardiovascular disease (CVD) risk through complex mechanisms. Understanding salt sensitivity and refining dietary guidelines are crucial for preventing CVD.
Area of Science:
- Nutrition Science
- Cardiovascular Health
- Genetics
Background:
- Cardiovascular disease (CVD) is a leading global health concern.
- Dietary salt intake is a key modifiable risk factor for CVD.
- Contemporary research highlights the interplay of diet, genetics, and CVD risk.
Purpose of the Study:
- To review the multifaceted relationship between salt consumption and CVD.
- To explore direct and indirect effects of salt on cardiovascular health.
- To discuss mechanisms, salt sensitivity, and interventions.
Main Methods:
- Comprehensive literature review.
- Analysis of epidemiological studies.
- Evaluation of randomized controlled trials.
Main Results:
- High salt intake impacts blood pressure, immune responses, epigenetics, and the gut microbiome.
- Salt sensitivity, influenced by genetics, exacerbates CVD risk.
- Salt substitutes present potential benefits and challenges.
Conclusions:
- Excessive salt intake detrimentally affects cardiovascular health.
- Targeted interventions and refined dietary guidelines are necessary.
- Further research into salt's complex role in CVD is warranted.
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