This is a rough attempt to map the effects of sleep, sunlight, exercise, sex, cannabis, and alcohol on our hormonal and neurotransmitter levels. It also shows how hormones and neurotransmitters affect each other.
The research for this is only chatbot-quality, so please send corrections if I've gotten something wrong.
Green lines show upregulation, red lines show downregulation. Dotted lines are influences that are short-term, contextual, or only apply to some brain regions.
