What is the Pain Body? Does it exist?

 Today the idea of the pain body is becoming so predominant. Why now? What is the Pain Body? Is this a new idea? Is this another illusion or is it real? Pain body? Memory is the key in this journey of understanding , the root of repressed disagreement? Three of the largest disagreements that impact the pain body are these simple perspectives; 1) Misconception; 2) Mistake; 3) Misunderstanding Such illusions in life yet we all seemingly live by them,. They are not necessary to operate with? They have their basis in how we judge things to be not how they are? We look at life throuth the eyes of experience, how we have seen it before, the past, this is the seat of the idea of the pain body our history? The past has that much influence on us today? Yes it does; it has the power to drive us, Now out of yesterday... Now is where we are  yesterday is where it was. We are now yet we seemingly are connected?