Cell Metabolism：低蛋白质饮食或有助于大兴

有关食用道经的新分析方法仍要逐渐普及化，无疑可能会引发更进一步争议。

两项刊发在Cell Metabolism上的研究工作，一项是针对狗，另一项是针对人类文明，发现摄取低氨基酸和大量碳水化合物，更容易道经和大幅提高保健。研究工作终究了基本上的饮食计划和常识。

两项研究工作的作者忽视，受到限制卡路里摄取帮助该线狗和其它物种该线寿命的原因，不是因为降低了卡路里摄取，而是因为降低了氨基酸摄取。

研究工作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寿命更长。

重构应是：

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