a young man survives, maybe just a scratch or two. How much was the brain compressed? Will this compression cause brain damage? Can this lead to dementia? Are their facts about this? Are their any theories?

With body armor, it seems as though more soldiers are surviving local explosions than ever before. Maybe this will be new ground.

Shock waves, they tell me, are ridiculously strong.

Tens of thousands of American combat veterans, many seemingly uninjured, carry higher risks of developing neurological disorders – and perhaps future organ ailments – simply because they were “exposed” to IED shockwaves, the Institute of Medicine reported Thursday.

The above, in italics, was cut and pasted here from the article found at the link below.

http://www.nbcnews.com/news/military/ied-shockwaves-inject-hidden-damage-troops-study-claims-n29031