Cell Metabolism：低蛋白质饮食或有助于长生

有关营养长生的原先理论正逐渐过渡到，无疑都会导致原先的争议。

两项发表在Cell Metabolism上的分析，一项是针对小动物，另一项是针对人类文明，断定过量低蛋白质和大量营养素，有助于长生和增强保健。分析挑战了传统习俗的饮食计划和常识。

两项分析的作者认为，限制卡路里过量尽力延长小动物和其它物种延长生命期的原因，不是因为减少了卡路里过量，而是因为减少了蛋白质过量。

分析结果能解读为什么略微丰满的人比瘦的皮包骨头的人平均生命期较短。

完整说是：

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