The body never lies, and it never does anything against your own best interest. Here is how to reverse engineer, a dis-order or a dis-ease within the body that clearly has emotional physiological or trauma-based roots. You want to look at how having this dis-ease in your body makes you feel.
So often how we feel about having chronic pain, chronic migraines, autoimmune etc is the same emotional signature that was suppressed and over a long enough period of time became physically manifest. The body physically manifesting a condition. Is it last attempt to be heard and to have a need met. 
So if it were true that your body couldn’t actually act against your own best interest, then what is your body trying to tell you? You see for most people because we are so stubborn and we have been so conditioned to turn against ourselves, it’s not until the body starts to break down that we actually do something to change. 
These suppressed core wounds directly impact the choices we make and how we subconsciously interact with the world around us. I have seen people get very sick to meet a need of being taken care of. It doesn’t have to get to that point, but it will if we ignore ourselves long enough. I am all for holistic health and treating the physical component of a dis-order or dis-ease. But hyper focusing on symptoms does nothing to treat the root cause.
Most of these things have deeper roots which if not heard and integrated will continue to manifest as the bodies last attempt to be heard, physical symptoms. And if you wanna talk about disorders or diseases that a person came into this life, with, sometimes we’re looking at generations of suppression, creating an mutation in the genetic coding.
And once again, it is an attempt at shifting the dynamic within the family. There are also soul contracts to come in with specific limitations as this is a particular type of experience the soul agrees to take on as part of their own evolution.

Rowan Garlow is a private practice trauma recovery practitioner. She sees clients 1:1 and in group settings for masterclasses and workshops. Click the website link below to see previous class recordings, meditations and explore options for 1:1 support.