The richest and poorest Americans differ in life expectancy by more than a decade. Glaring health inequalities across the socioeconomic spectrum are often attributed to access to medical care and differences in habits such as smoking, exercise and diet. But a new study in rhesus monkeys shows that the chronic stress of life at the bottom can alter the immune system even in the absence of other risk factors.
The richest and poorest Americans differ in life expectancy by more than a decade. Glaring health inequalities across the socioeconomic spectrum are often attributed to access to medical care and differences in habits such as smoking, exercise and diet. But a new study in rhesus monkeys shows that the chronic stress of life at the bottom can alter the immune system even in the absence of other risk factors.
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