Salt and blood pressure revisited

BMJ 1996;312:1240-1241 (18 May)

Editorials

Salt and blood pressure revisited

How much more evidence do we need?

The relation between salt intake and blood pressure is no newsto the food industry, nor to the expert committees in the UnitedStates, Norway, and elsewhere recommending reductions in dailyintake of salt to about 100 mmol sodium or less.¹ ² However,with three quarters of the presently consumed salt well hiddenin processed food, there is little that people can do to influencetheir intake. Thus, any attempts to influence the amount ofsalt in food must be directed at the food industry.

Hard data are now accumulating to give substance to the debate,most notably the Intersalt study, the first report of whichwas published in the BMJ in 1988.³ This cross sectional studyof 10 074 men and women with a broad age span was designed todescribe the association between urinary excretion of sodiumchloride (as a measure of . . . [Full text of this article]

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