Have you ever been in so much pain you feel it from the top of your head to the tip of your toes? The pain may come and go, but every doctor visit brings an, “It’s all in your head.”

You might even be told you are suffering from depression. Sleep is troubling and may be afforded only 2 hours at a time, never overcoming you but never leaving you rested, either.

In the absence of visible evidence, a well-understood …