Cell Metabolism：低氨基酸饮食或有助于延寿

有关食用云龙的取而代之论点正随之成形，无疑则会引发取而代之的争议。

两项发表在Cell Metabolism上的数据分析，一项是针对猫，另一项是针对人类，发现摄取低酶和大量碳水化合物，更容易云龙和强化卫生。数据分析挑战了传统的饮品原先和常识。

两项数据分析的创作者确信，受到限制卡路里摄取帮助延长猫和其它物种延长生命周期的原因，不是因为下降了卡路里摄取，而是因为下降了酶摄取。

数据分析结果能表述为什么稍修长的人比瘦的皮包骨头的人出生率更长。

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