Potassium supplements in salt were associated with reduced rates of recurrent stroke and mortality in a large-scale cluster randomized clinical trial involving patients in rural northern China. Findings come from a subgroup (stroke patients) analysis within the original Salt Substitute and Stroke Study (SSaSS), an international study conducted in China.
Stroke ranks among the top causes of death and disability in low- and middle-income countries, and recurrent events remain a major concern. High sodium intake and low potassium intake are considered key risk factors, especially in northern China. In China, stroke recurrence rates are higher than global averages, reaching 17% at one year and 41% over five years.
The SSaSS trial involved 600 villages and 20...
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