Table of Contents What is Happiness? Unsubstantiated Happiness Activities What Science Says Works What is Happiness? Happiness is something that happens in the brain involving the prefrontal cortex, amygdala, hippocampus, anterior cingulated cortex, and insular cortex, and neurotransmitters such as endorphin, dopamine, serotonin, nor-epinephrine, and melatonin. It has been defined from an evolutionary…