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Low salt intake may up heart failure risk: Study

Food & Drink

According to current guidelines issued by the World Health Organisation, adults should consume less than five grams of salt a day.

However, researchers in Canada emphasised in the study that it was not enough and there is a need to increase the maximum salt intake guide, overturning conventional wisdom that says eating too much salt is a serious health risk.

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"It is futile to target such low intakes and moreover, it may well be harmful. Studies show below three grams of sodium per day increase mortality, heart attack and heart failure," Salim Yusuf, Professor at McMaster University in Canada, was quoted as saying to express.co.uk.

Reducing salt intake to overly low levels undermines the body's natural balance, Yusuf said.

The findings are detailed in a report published in the European Heart Journal by the joint working group of the World Heart Federation, the European Society of Hypertension and the European Public Health Association which also emphasised the potential dangers of lowering intake too much.

"Reaching sodium intake levels below 2.3 gm per day over a sustainable period of time is not feasible. There is no evidence that this is beneficial and there are concerns it could be harmful," the report said.

Instead an adult should take between 7.5 and 12.5 gm of salt a day, equivalent to three and five grammes of sodium, Yusuf elaborated
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