回复154楼:"Poor people eat more meat than the middle-classes who have a diet filled with more fruit and veg, study finds
Researchers discovered a way to look for different food proteins in human hair
They found that people from poorer backgrounds eat a more meat heavy diet
The team say hair studies could help better analyze food and economic status"
哈哈哈哈

穷人富人身体结构都是一样的，蛋白质来自肉类鱼豆类，穷富都需要，不知你有啥笑的，贵的牛肉海鲜都是穷人吃的？

蛋白质又不是只有肉