“Serotonin—improves willpower, motivation, and mood. Norepinephrine—enhances thinking, focus, and dealing with stress. Dopamine—increases enjoyment and is necessary for changing bad habits. Oxytocin—promotes feelings of trust, love, and connection, and reduces anxiety. GABA—increases feelings of relaxation and reduces anxiety. Melatonin—enhances the quality of sleep. Endorphins—provide pain relief and feelings of elation. Endocannabinoids—improve your appetite and increase feelings of peacefulness and well-being.”
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Alex Korb,
The Upward Spiral: Using Neuroscience to Reverse the Course of Depression, One Small Change at a Time