People have to evolve to have biology that tolerates the subsistence that they access to, and that varies in different parts of the world, so again, humans evolve.

人类不得不演化,以适应周遭环境,世界各地环境各不相同,因此,人类再次演化

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选