Objetivo diagnóstico is born from a need, to obtain the most important answer, the diagnosis. Which is knowing what you're up against, what your rival is like, how and when its going to attack you and how to defend yourself, including which one is the best way to train to minimize its blows as much as possible.
Rare and undiagnosed diseases are usually pathologies that, individually, affect a small number of people, but as a whole the "thing" changes.
Nowadays, it takes an average of approximately 5 years to obtain a diagnosis, and sometimes you even never get one. This way, more tired every day, the patient will have no adequate treatment or therapies, or will not know if they are, their case will not be studied nor will they get access to investigation projects.