I don’t understand them well, but neurotransmitters rule my life. Too much dopamine and I get psychotic. Too little serotonin and I am depressed. Along with others like glutamate it is a delicate balance
I take medications and supplements to help restore the balance. They seem to be working. If only they did not come with side effects. My mouth is constantly dry to the point it is hard to talk. I usually carry a bottle of water everywhere. I am chronically fatigued which I believe is due in part to my medications. It is definitely worth those side effects to be functional
Chemical imbalance is one theory for mental illness. In my case it makes sense to me.