Cell Metabolism：低蛋白质饮食或有助于大兴

有关食物延寿的一新方法论亦然日渐成形，无疑但会掀起一更进一步争议性。

两项发表在Cell Metabolism上的科学研究，一项是针对猴子，另一项是针对人类，推测摄取很低蛋白质和大量脂肪，有助于延寿和弱化健康。科学研究挑战了传统文化的素食计划和常识。

两项科学研究的作者认为，允许卡路里摄取帮助缩减猴子和其它哺乳动物缩减寿命的理由，不是因为增加了卡路里摄取，而是因为增加了蛋白质摄取。

科学研究结果能解释为什么略微饱满的人比似的皮包骨头的人死亡率更长。

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