基因作祟 欧美人天生爱吃汉堡

Our frozen ancestors of the Ice Age needed plenty of fat in their diets to keep warm – and it seems we might still be carrying their genetic torch. 在遥远而又寒冷的冰河时期，我们的祖先需要从食物中获取大量的脂肪，以用来保持温暖，不过生活在现代社会的人们似乎依旧继承者祖先们的这一遗传基因。