National Standards: Out-of-Pocket Health Care. Disclaimer: IRS Collection Financial Standards are intended for use in calculating repayment of delinquent taxes. These Standards are effective on March 28, 2016 for purposes of federal tax administration only.
The chemicals released by the body when an injury occurs or when the body has other abnormal processes taking place actually make changes to the nervous system. The types of changes they make are related to the type of pain you feel.
in other words the physical message from the injury travels from where you re hurt directly to your brain where it registers the sensation known as pain your brain perceives that pain and sends the pain message back to the area of your body that hurts and it all goes very quickly