What Am I?

As I derive my identity from the way I feel and the way (and what) I think, articles as the following make me rethink my own identity.

https://www.bbc.com/future/article/20230120-how-gut-bacteria-are-controlling-your-brain?ocid=ww.social.link.email

….

“There has never been a time when the brain existed without the signals coming from the microbes. “

“What I like about fermented foods is that they democratise the science,” says Cryan. “They don’t really cost much and you don’t have to get them from some fancy store. You can do it yourself. In this field, we want to provide mental health solutions to people from all socioeconomic areas.”

….

Look up the context in the article of the excerpts above.

Accepting that our own mood/thought/thought process is “managed” by a community of organisms others than our own body however living inside of our body, is just a little step from accepting and allowing organisms (micro or not) that do not live in our body to provide similar service to us, hence the existence of neurotransmitters containing plants, fungy and others.
There has never been a time the brain existed without the signals coming from them.

Accepting term like “psychobiotics” is just a little step from accepting term like “psychedelics deficiency”. “Bitterness deficiency” is already well settled term.

Your ideas, questions and inquiries are all appreciated.