Quote Originally Posted by ono View Post
When a fighter is weight-drained, the water that would normally protect the brain is no longer there. Therefore the brain is bashed about which could lead to brain damage. The effect of a punch on the chin is also much greater as the brain is bashed around much more when it has no water surrounding it.

That's a very simple way of explaining it.
That's what I assumed, but no one ever spelled it out for me before. Thanks.