What is the average intake of omega-3 in different regions of the world?

A number of studies point out that the intake of the long-chained omega-3 fatty acids EPA and DHA in big parts of the population is too low. These fatty acids are very interesting because they play a decisive role in the prevention of cardiovascular disease. The World Health Organisation (WHO) recommends the combined intake of 500 mg/day of both fatty acids. However, it is not necessary to eat fish on a daily basis, it is also possible to meet the needs with one or two servings of fish per week.

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To put this recommendation into perspective it is worth to take a look at the average intake of different regions of the world just to get an impression of the current situation. Read More...

Why is too much salt bad for our health?

The excessive ingestion of salt has been known to be a risk factor in the development of high blood pressure for decades. There is compelling evidence from a multitude of studies indicating a relation of high sodium intake, high blood pressure and the occurrence of cardiovascular disease. On the other hand low salt diets exhibit a blood pressure lowering effect. But what is the reason for this? Which factors cause the rise in blood pressure?

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Scientists of the University of Otago in New Zealand decided to bring light into this issue. They argued that if a salt restricted diet lowers the high blood pressure of affected individuals, an increased salt intake should cause a rise of the blood pressure. Accompanying a low sodium diet 35 participants either received tomato juice rich or low in sodium for several weeks. Read More...

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