Why the study?
Whether the relationship between dietary sodium and potassium intake and hypertension risk differs between North and South China remains unclear.
Does dietary sodium, potassium, and their ratio affect blood pressure and hypertension risk differently in North versus South China?
Does dietary sodium, potassium, and their ratio affect blood pressure and hypertension risk differently in North versus South China?
High dietary potassium is universally protective against hypertension in China, whereas the hypertensive risk of high sodium and Na-K ratio is more pronounced in North China.
Authors
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Sodium and Na/K ratio may elevate hypertension risk more in North than South China; leaves open targeted strategies pending prospective confirmation.
Huang et al. (2020) studied this question.
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