Reduction of BP by restricting dietary sodium shows a dose-response effect
Evidence shows that sodium reduction lowers blood pressure in both hypertensive and non-hypertensive individuals, with greater effects in high-risk subsets. The magnitude of blood pressure-lowering achieved with sodium reduction showed a dose-response relation. In addition, very short term trials could substantially underestimate the effect of sodium reduction on blood pressure;
Written By : Dr. K B Aarthi
Medically Reviewed By : Dr. Kamal Kant Kohli
Published On 2020-03-17 05:00 GMT | Update On 2020-03-17 05:00 GMT
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High blood pressure is a leading modifiable risk factor for cardiovascular disease, which caused at least 17.8 million deaths worldwide in 2017. A higher intake of dietary sodium is associated with a higher level of blood pressure.
The effect of sodium reduction on blood pressure and the risk of cardiovascular disease has been examined in numerous studies. A few scientists have claimed that the benefit of sodium restriction for populations with normal blood pressure is small and could increase blood lipid levels and the risk of mortality while others suggest that a higher risk of mortality at low sodium intake levels is an artifact attributable to factors such as reverse causation and biased estimation of sodium intake.
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