Answer & Explanation: I have a feeling that you got this question from a story but what you said about "Why people are confused about nutrition" but there are two type of nutrition. One is in science the other is for like is for diet or something
They wouldn't believe that all people are the same in the ways they think or the ways that they behave.
Answer:
1. Surplus of food
Explanation:
In order to build a a society, the very first thing that human civilization need to do is find a way to settle in an exact same place for a long period of time. This could only happen if we have a surplus of food in that area.
Without it, we need to be a nomadic group. This require us to move from one place to another while seeking new source of foods. In such situation, we wouldn't have enough time to slowly develop our traditional tribes into a modern society.
No it cannot. All it will do is build muscle which= 0 flexibility and also the muscle you build will eventually turn to fat if you stop working out.