How do endorphins affect pain?

One of the pain modulation systems in the body involves internal painkilling neuropeptides called endorphins. Endorphins are part of your chemical messenger system (CMS) and they represent a form of internally created morphine-like pain relievers. They block pain by binding to opioid (morphine) receptor sites in the brain and body, where they turn off the pain signal.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.