Dopamine
Decrease: Parkinson’s, depression
Increase: schizophrenia, mania
Norepinephrine
Decrease: depression
Increase: mania, anxiety states, schizo
Serotonin
Decrease: depression
Increase: Anxiety states
Histamine
Decrease: sedation, weight gain
GABA
Decrease: anxiety disorders, schizo, mania, huntington
Increase: reduction anxiety
Glutamate
Decrease: psychosis
Increase: neurodegeneration in alzheimer’s
Acetylcholine
Decrease: alzheimer’s, huntington, parkinson
Increase: depression