If you have the patience to interview a family doctor whose outpatient clinic is always very crowded, you will find that a good portion of patients are afflicted with a variety of ailments: gastrointestinal, respiratory, sexual function, balance disorders, leg and foot pain, and other discomforts most often not ascribable to specific diseases, but discomforts that seem varied and scattered, and that persist without solution.

Family dysautonomy
Involuntary nervous system dysfunction, or familial dysautonomia, is a genetic disorder that goes to groups of nerve cells, which are not properly developed and do not survive.