So salt is a population risk factor more than an individual risk factor except in people with high blood pressure, so what that means is if a population has a lot of salt, they get a lot of heart disease. And if a population has a low intake of salt, they get a low incidence of heart disease. But the main individuals who need to be concerned about salt are those who’ve been diagnosed with high blood pressure.

Professor David Celermajer is Scandrett Professor of Cardiology and Head of Cardiology at the University of Sydney.

Last Reviewed: 30/09/2020

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