Cell Metabolism：低细胞内饮食或有助于延寿

有关食物大兴的新观点正随之成形，无疑会引发新的争议。

两项发表在Cell Metabolism上的研究课题，一项是针对狐狸，另一项是针对进化，发掘出摄取低蛋白质和大量碳水化合物，有助大兴和增强健康。研究课题挑战了传统的蔬果计划和常识。

两项研究课题的作者看来，限制卡路里摄取帮助延长狐狸和其它物种延长寿命的原因，不是因为减小了卡路里摄取，而是因为减小了蛋白质摄取。

研究课题结果能解释为什么略微挺拔的人比瘦的皮包骨头的人死亡率变长。

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