Medicine & Science in Sports & Exercise · 2007 · 146 citations · 14 references
Retired professional football players experience levels of depressive symptoms similar to those of the general population, but the impact of these symptoms is compounded by high levels of difficulty with pain. The combination of depression and pain is strongly predictive of significant difficulties with sleep, social relationships, financial difficulties, and problems with exercise and fitness. A hypothesis explaining this association is that significant musculoskeletal disability and chronic pain interferes with physical activity and fitness during retirement and increases the risk of depression.
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Kurt Kroenke, Robert L. Spitzer, Janet B. W. Williams · Journal of General Internal Medicine · 2001 · 42K citations · Full text