Rare diseases are also known as minority, low-prevalence and other terms that ultimately include a considerable population group and a heterogeneous and wide number of pathologies, which despite being so, they do share a number of characteristics derived from their low prevalence.
There are between 6,000 and 8,000 rare diseases, which in Spain alone affect more than 3 million people. Only about 500 of these rare diseases have an approved treatment. This means that patients that suffer from any of them are not properly cared for, situation is even worse when 75% of people affected by rare diseases are children, which has a devastating effect on their hope and quality of life. […]