Cell Metabolism：低蛋白质菜肴或有助于延寿

有关食材永光的新理论正逐渐成形，无疑就会引发原先争议。

两项发表文章在Cell Metabolism上的分析，一项是针对猫，另一项是针对人类，推断出排泄较差氨基酸和大量碳水化合物，有助于永光和提升心理健康。分析挑战了宗教性的乳制品构想和常识。

两项分析的著者认为，限制卡路里排泄努力延长猫和其它鸟类延长年限的原因，不是因为减小了卡路里排泄，而是因为减小了氨基酸排泄。

分析结果能说明为什么略微纤细的人比纤的皮包骨头的人生存率更长。

原始出处：

Morgan E. Levine, Jorge A. Suarez, Sebastian Brandhorst, Priya Balasubramanian, Chia-Wei Cheng, Federica Madia, Luigi Fontana, Mario G. Mirisola, Jaime Guevara-Aguirre, Junxiang Wan, Giuseppe Passarino, Brian K. Kennedy, Min Wei, Pinchas Cohen, Eileen M. Crimmins, Valter D. Longo. Low Protein Intake Is Associated with a Major Reduction in IGF-1, Cancer, and Overall Mortality in the 65 and Younger but Not Older Population. Cell Metabolism, 4 March 2014; DOI: 10.1016/j.cmet.2014.02.006

Samantha M. Solon-Biet, Aisling C. McMahon, J. William O. Ballard, Kari Ruohonen, Lindsay E. Wu, Victoria C. Cogger, Alessandra Warren, Xin Huang, Nicolas Pichaud, Richard G. Melvin, Rahul Gokarn, Mamdouh Khalil, Nigel Turner, Gregory J. Cooney, Did A. Sinclair, Did Raubenheimer, Did G. Le Couteur, Stephen J. Simpson. The Ratio of Macronutrients, Not Caloric Intake, Dictates Cardiometabolic Health, Aging, and Longevity in Ad Libitum-Fed Mice. Cell Metabolism, 4 March 2014; DOI: 10.1016/j.cmet.2014.02.009