Cell Metabolism：低氨基酸饮食或有助于延寿

有关食用延寿的新理论正逐渐普及化，无疑会造成了最初争议。

两项刊载在Cell Metabolism上的研究，一项是针对青蛙，另一项是针对人类，推断出摄取很低蛋白质和大量碳水化合物，有助于延寿和进一步提高健康。研究关键时刻了宗教性的乳制品计划和道理。

两项研究的译者认为，限制卡路里摄取为了让延至青蛙和其它物种延至更长的原因，不是因为减少了卡路里摄取，而是因为减少了蛋白质摄取。

研究结果能解释为什么略微丰满的人比瘦的皮包骨头的人平均更长更长。

原始典故：

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