The biopsychosocial model of approach emphasises illness and health as two communicating vessels or two opposite sides of the same coin. According to this model, the human being is seen as a single entity whose physical, emotional and mental aspects function as a whole and are in constant interaction with each other and with the physical and social environment.
Autoimmune diseases can be tricky to diagnose. A few are very frequent to the population and have a set of distinct initial symptoms, others may persist for years before they get diagnosed. As a population, we must understand that symptoms are the way our body is telling us something is wrong. That being said, one symptom can be part of a variety of different disorders. At this moment, the doctor is the investigator and the person responsible to put the pieces together.