I thought people might find this interesting:
indy100.com/article/sadness...
Stress doesn't cause illness - but
"The same parts of the brain that control the stress response … plays an important role in susceptibility and resistance to inflammatory diseases such as arthritis. And since it is these parts of the brain that also play a role in depression, we can begin to understand why it is that many patients with inflammatory diseases may also experience depression at different times in their lives."