Cell Metabolism：低氨基酸饮食或有助于延寿

有关食物道经的原先理论正日趋成形，无疑会激起一原先争议。

两项发表在Cell Metabolism上的研究课题，一项是针对狗，另一项是针对人类，发现过量低蛋白和大量营养素，有助于道经和增强健康。研究课题挑战了传统的饮食计划和基本知识。

两项研究课题的笔记指出，限制卡路里过量帮助延长狗和其它物种延长寿命的状况，不是因为提高了卡路里过量，而是因为提高了蛋白过量。

研究课题结果能解释为什么略微丰满的人比哑的皮包骨头的人平均寿命更长。

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