High-income countries also have higher rates of depression than less affluent nations. The researchers speculate that the higher rate of depression may be linked to the that exists in the highest-...

Extracted text: High-income countries also have higher rates of depression than less affluent nations. The researchers speculate that the higher rate of depression may be linked to the that exists in the highest- income nations. lower amount of real medical problems greater income inequality high number of poor reduced demand for medical services