Hey, I’m no expert but I studied neurons for what it’s worth and wanted to add something.
Dopamine and serotonin are excitatory neurotransmitters, neurons produce a molecule (neuromelanin) to protect themselves from excessive catecholamines (serotonin e dopamine among others) and from metals. So, maybe they are not that great for neurons?
Source, this book: https://www.edisesuniversita.it/area_scientifica/citologia-e-istologia.html
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