Nutrition

Phosphates in Meat Accelerate Aging

Already singled out for their harmful effect on heart disease, type 2 diabetes and certain cancers, meat products would also accelerate the aging process due to their high phosphate content, as shown by an astonishing study carried out in Scotland.

We cannot live without phosphate, because this ion is absolutely essential to the functioning of our cells, both structurally (DNA, RNA, proteins) and energetically (ATP, the “fuel” used by cells). This importance ensures that phosphate levels are tightly controlled in our body, with in particular the presence in the kidney of a very efficient transport system intended to prevent excessive loss of phosphate in the urine.

Despite this essential physiological role, recent observations suggest that excess phosphate can be toxic to the body and accelerate the degeneration of body functions. For example, analysis of the dietary habits of a group of 9686 Americans showed that people whose diets contain the highest amounts of phosphate (>1400 mg per day, twice the recommended intake) had twice as likely to die prematurely.

Too much phosphate in the prepared feed

Where does this excess phosphate come from? Meat, on the one hand, because animal protein sources are also very rich in phosphate and the latter is very well assimilated when it is present in this form (plant phosphate is less so). On the other hand, processed industrial foods (sausages, bacon, cold meats) also contain large amounts of phosphate, which is added as an additive to improve preservation or give a particular flavor to these industrial products. We can therefore consider that a high phosphate intake is a sign of a poor quality diet, containing an excess of processed products derived from meat.

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Life expectancy gap of 28 years

A team of Scottish scientists recently investigated whether this type of phosphate-heavy diet could be contributing to the large gaps in life expectancy that exist between rich and poor populations in the city of Glasgow, Scotland. It has long been known that the very poor are often in poorer health than those who are very wealthy, but Glasgow is truly in a class of its own when it comes to the gap between the two socioeconomic levels: within a few miles barely, life expectancy can vary by 28 years between rich and poor! This tragic inequality therefore becomes a unique model for studying the impact of diet on longevity.

Telomeres shrink too quickly

The scientists observed that the phosphate levels present in the blood were indeed correlated with certain molecular markers of early aging, in particular the telomeres, which are small molecular structures located at the end of the chromosomes and which serve to protect the integrity of our genetic material. The loss of these telomeres indicates the premature aging of the cell. Telomere loss is particularly pronounced in poorer men and appears to be directly related to the frequency of consumption of meat products by these individuals. In other words, the habits of consumption of low-cost industrial foods by economically disadvantaged people would cause the excessive absorption of phosphate, which would accelerate their premature aging and thus contribute to the difference observed in the life expectancy of rich and poor people.

Excess phosphate can be toxic to the body and accelerate the degeneration of body functions. Reducing the consumption of industrial foods derived from meats, in particular those from the junk food industry, is the best way to avoid absorbing an excess of this compound.

Source

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Chang ar et al. high dietary phosphorus intake is associated with all cause mortality. Am J Clin Nutr; 99:320?27.

McClelland r et al. accelerated aging and renal dysfunction links lower socioeconomic status and dietary phosphate intake. Aging, 2016.

* The information and services available on pressesante.com in no way replace the consultation of competent health professionals. [HighProtein-Foods.com]

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