当今的人为何比以前的人高?

Why Are People Taller Today Than Yesterday?

骨骼和文献表明今天的人比一两个世纪前的人大约要高几英寸，甚至不同民族平均身高也有差别，哪怕那些基因同质的人．比如南韩和北韩（南韩人偏高）。慕尼黑大学经济学教授约翰·库姆娄斯是研究历史上人类健康的先驱，他解释了决定人类身高的因素以及为何某些人比其他人高。

Skeletons and beings today just a century written records show that human are inches taller than humans or two ago. And yet even today average heights vary among different nationalities, even among genetically homogenous populations, like the South Koreans and North Koreans （South Koreans are taller）. John Komlos, professor of economics at the University of Munich and a pioneer in studying human well-being through history, explains what governs human height, and why some others. populations are taller than