New Study Reveals High Protein Intake Linked to Arterial Disease Development through Activation of Immune Cells

High protein intake has been linked to arterial disease development, according to a new study published in the scientific journal Nature Metabolism. The research suggests that consuming more than 22% of total energy from protein can activate immune cells associated with arterial disease development. This activation is linked to the amino acid leucine, which is abundant in animal-based foods such as red meat, eggs, and milk.

Previous studies have already linked high protein intake to arterial hardening and increased mortality from cardiovascular disease. However, researchers have now identified a mechanism by which excess protein can lead to clogged blood vessels. A study led by the University of Pittsburgh found that high-protein meals increased leucine levels in the blood, affecting immune cell function. Macrophages, which clean up cellular waste, may accumulate waste under artery walls due to excessive protein intake, leading to plaque formation and inflammation.

Protein is an essential nutrient for humans, and current recommendations suggest that people under the age of 65 should consume 10-20% of their total energy from protein. In Finland, about 80% of the population meets this recommendation, with men consuming more protein than women. Protein is important for muscle growth and can aid in weight management by increasing feelings of satiety. However, blindly increasing protein intake as it may harm arteries should be avoided. More research is needed to determine the optimal level of protein consumption to maximize benefits like muscle growth while avoiding negative effects on heart health.

Arteriosclerosis-related circulatory diseases are the most common cause of death in Finland, highlighting the importance of understanding the impact of protein intake on heart health.

The findings suggest that high consumption of animal proteins may be linked to cardiovascular disease mortality. A diet high in protein can also increase the risk of diabetes and put strain on the kidneys.

In conclusion, while protein is essential for human health