We also have light receptors on the skin. And I'm assuming we have many others we don't know about. The way we teach about the human condition is very limited,

We also have light receptors on the skin. And I'm assuming we have many others we don't know about. The way we teach about the human condition is very limited, and I only started understanding a bit how my body works after I reached 30 thanks to a lot of self-experimentation.