Our bod­ies need about a quar­ter of a tea­spoon­ful of salt a day

Focus-Science and Technology - - CONTENTS - PHOEBE YATES, GRAN­THAM

We can’t sur­vive with­out it. It’s crucial for our ner­vous sys­tem to func­tion, our mus­cles to con­tract and re­lax, and for main­tain­ing fluid balance. How­ever, the amount that we need is ac­tu­ally very small: less than a quar­ter of a tea­spoon a day. Al­most all of us con­sume more than that, and ex­ceed­ing 6g (a tea­spoon) per day could be harm­ful if you’re at risk of, or have, high blood pres­sure. The best way of re­duc­ing salt in­take is to eat less pro­cessed food.

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