Mon, Apr-22-19, 13:42
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Senior Member
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The impact of dietary protein intake on longevity and metabolic health
Just want to point out fish/chicken has higher amount of methionine than red meat. Also Japanese(longevity) diet is rich in sea food which contradicts to this study.
The impact of dietary protein intake on longevity and metabolic health
https://www.ebiomedicine.com/articl...0239-7/fulltext
Abstract
Lifespan and metabolic health are influenced by dietary nutrients. Recent studies show that a reduced protein intake or low-protein/high-carbohydrate diet plays a critical role in longevity/metabolic health. Additionally, specific amino acids (AAs), including methionine or branched-chain AAs (BCAAs), are associated with the regulation of lifespan/ageing and metabolism through multiple mechanisms. Therefore, methionine or BCAAs restriction may lead to the benefits on longevity/metabolic health. Moreover, epidemiological studies show that a high intake of animal protein, particularly red meat, which contains high levels of methionine and BCAAs, may be related to the promotion of age-related diseases. Therefore, a low animal protein diet, particularly a diet low in red meat, may provide health benefits. However, malnutrition, including sarcopenia/frailty due to inadequate protein intake, is harmful to longevity/metabolic health. Therefore, further study is necessary to elucidate the specific restriction levels of individual AAs that are most effective for longevity/metabolic health in humans.
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