The researchers found that adolescent girls, who consumed more dietary potassium had lower BPs in later adolescence."In contrast, the data indicated no overall effect of sodium intake alone on BP, and, thus do not support the call for a global reduction in sodium intake among children and adolescents," said Lynn Moore from Boston University School of Medicine.

The researchers examined the long-term effects of dietary sodium and potassium on blood pressure at the end of adolescence.The authors involved 2,185 girls (ages nine to 10) who were followed up for 10 years.Overall, girls in the highest category of potassium intake (2,400 mg per day or more) had lower late-adolescent systolic and diastolic blood pressure than those girls who consumed less potassium, the results showed.The study was published online in the journal JAMA Paediatrics.

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