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by _98fj 3910 days ago
Adrenaline, Noradrenaline, Dopamine, Serotonine, Cortisol, GABA and many more...

Just google "lab test" for these.
1 comments
dubhrosa 3910 days ago
The results all talk about tests that measure levels in the urine or blood, not the level in the brain, sorry if I'm being thick, but I don't see any actually measure brain levels.
link
DanBC 3910 days ago
Parent poster is responding to your question:

> What kind of things can they measure from urine and saliva?

link