this post was submitted on 20 Jul 2025
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The network of neurons that has evolved to have specific taste preferences that allow us to eat food that isn't bad for us caused him to eat it. The planning done by said network is what caused the bread to be there in the first place. We all know that we have to eat, and tend to be good at ensuring that we can eat whenever we feel like it.
It's all pure physics and chemistry. When your stomach gets empty you feel hunger due to the stomach or related glands releasing mRNA that causes the brain to activate different circuits that cause you to seek food. Animals that don't do this don't live for very long.