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The brain is the human body's most mysterious organ. It learns. It changes. It adapts. It tells us what we see, what we hear. It lets us feel love. I think it holds our soul. And no matter how much research we do, no one can really say how all that delicate grey matter inside our skull works. And, when it's hurt, when the human brain is traumatized, well, that's when it gets even more mysterious.Callie