Their most radical conclusion is that inequality breeds stress among poor and rich alike; the more unequal a society, the less benefit is obtained from an individual’s wealth. The stress of inequality does not just breed envy, it is not just about coveting your neighbor’s ox/Cadillac Escalade. Inequality breeds depression, addiction, resignation, and physical symptoms including premature aging, that affect the entire population. In other words, the well-being of individuals, rich or poor, is mutually dependent.