Several diseases have been known to cause lesions on the brain. The most common are Lyme disease and Multiple Sclerosis, or MS. Alzheimer's patients have also been found to have lesions in the brain as well.
You can find more information here: webmd.com/brain/brain-lesions-causes-sym....
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.