 engine of your car, giving it a fine tune in the dwell and the timing. You got to have all that right if the car doesn't work well. Same thing happens with the body. And when you start sticking needles into these electrical circuits that are just underneath the skin, sub-epidermal, you're creating scar tissue within those circuits. You're going to cause something to malfunction. It's sort of like sticking a pencil into an electrical socket.