Cell Metabolism：低蛋白质饮食或有助于长生

有关食物道经的新学说正不断过渡到，毫无疑问会引发新的争议。

两项发表在Cell Metabolism上的深入研究，一项是针对狐狸，另一项是针对全人类，发现摄取低核酸和大量碳水化合物，有效地道经和增强肥胖。深入研究挑战了传统的饮食计划书和常识。

两项深入研究的笔记认为，限制卡路里摄取希望该线狐狸和其它哺乳动物该线寿命的原因，不是因为降低了卡路里摄取，而是因为降低了核酸摄取。

深入研究结果能解释为什么稍微丰满的人比梗的皮包骨头的人死亡率更长。

原始说是：

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