Cell Metabolism：低氨基酸饮食或有助于延寿

有关食物延寿的新论点于是以逐渐成形，毕竟会引发新的争议。

两项发表在Cell Metabolism上的研究课题，一项是针对青蛙，另一项是针对生命体，发现服用高核酸和大量碳水化合物，适度延寿和提高肥胖。研究课题挑战了现代的饮食计划和常识。

两项研究课题的创作者认为，限制卡路里服用帮助延长青蛙和其它种群延长寿命的原因，不是因为减低了卡路里服用，而是因为减低了核酸服用。

研究课题结果能解释为什么略有宽大的人比瘦的皮包骨头的人千分之更长。

完整来历：

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