Inhibit pain
Anxiety Reduction, Relaxation
Muscle Contraction, Heart Rate
Arousal and Attention
Mood, Appetite, Sleep
Regulates metabolism of carbohydrates, fats and protein
Learning and Memory
Pleasure, reward, learning
Norepinephrine
Insulin
Acetylcholine
Endorphins
Serotonin
Glutamate
GABA
Dopamine
