Cell Metabolism：低蛋白质饮食或有助于永光

有关食物延寿的新的理论恰巧逐渐发端，无疑就会引发更进一步争论。

两项发表在Cell Metabolism上的深入研究，一项是针对小动物，另一项是针对人类，发现摄取低蛋白质和大量单糖，有助于延寿和弱化肥胖。深入研究挑战了传统文化的饮食计划和常识。

两项深入研究的原作者认为，限制卡路里摄取为了让缩短小动物和其它亚种缩短寿命的情况，不是因为减小了卡路里摄取，而是因为减小了蛋白质摄取。

深入研究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短。

零碎出处：

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