It has long been held that a diet high in salt is dangerous to the heart, raising the risk of heart attack and stroke.
But, in a dramatic U-turn, the scientific evidence has suggested the opposite can also be true.
A global study has found that, contrary to past belief, low-salt diets may not be beneficial.
Rather, they can increase the risk of cardiovascular disease and death, compared with average salt consumption.
The study, published in the reputable Lancet journal, has garnered strong reaction, with one expert declaring his 'disbelief', while others are critical of the study's methods, and calling its findings into question.
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