Red meat and health: can it really accelerate ageing?

A link between red meat and hyperphosphatemia

According to this study, excessive consumption of red meat can lead to an increase in serum phosphate levels in the blood, a phenomenon known as hyperphosphatemia. Phosphate is a mineral found in many foods, including eggs, dairy products, fish and some vegetables, but is particularly concentrated in red meat.

Hyperphosphatemia is associated with a number of health problems, including kidney failure and premature vascular aging. The latter can increase the risk of cardiovascular disease and mortality. This overabundance of phosphates directly affects biological age, an indicator of the body's cellular degradation, which may differ from a person's actual chronological age.

Social disparities and premature aging

The Scottish study, conducted by researchers at the University of Glasgow, also highlighted social disparities in ageing. By comparing the diets of populations from different socio-economic backgrounds, the researchers found that people living in deprived areas consumed red meat and processed foods more frequently. This unbalanced diet contributed to accelerated biological aging, putting them at risk of premature death.

Poor men and women in these neighborhoods were found to live 14 and 11 years less, respectively, than those from more affluent backgrounds. Phosphate accumulation in the body, due in part to over-consumption of red meat, plays a key role in this difference in life expectancy.

What role does phosphate play in the body?

Phosphate is essential for many bodily functions, including bone and tooth formation, but in excess it becomes an enemy of vascular health. People with high phosphate levels are at risk of developing vascular calcifications, kidney problems and premature cell aging.

This is not to say that red meat should be completely banned from the diet. However, moderate consumption is essential, and it may be beneficial to vary protein sources (legumes, fish, tofu) to reduce excess phosphate.

Conclusion

Can red meat really accelerate aging? The results of this study suggest that excessive consumption could have adverse consequences on biological aging. It is therefore essential to be aware of the quality and quantity of red meat consumed, and to explore more balanced dietary alternatives to preserve long-term health.

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