Science links less protein to longer life
The article explains that reducing protein intake, particularly certain essential amino acids such as methionine, isoleucine, and valine, may help improve cellular repair processes, extend cellular lifespan, and decrease senescent cells associated with inflammation and age-related decline. Studies indicate that protein restriction can enhance the regulation of important cellular pathways like mTORC1 and GCN2, and promote processes such as autophagy, which aid in cell repair and reduce biological aging. However, a lack of protein can harm the elderly, especially in maintaining muscle mass, leading to mobility issues and increased health risks. Therefore, it is essential to determine appropriate amounts based on individual health status. Generally, the daily protein requirement ranges from 1 to 1.2 grams per kilogram of body weight, emphasizing the importance of balancing animal and plant sources to ensure health benefits and minimize potential drawbacks.
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