Leonardo is a medical specialist in radiology, with a master's degree in breast pathology, dedicated to the diagnosis of breast cancer. He has taught breast radiology at the Bonanova School in Barcelona and is a lecturer on the master's degree in compassion and helping relationships for health professionals at the University of Huelva. On this occasion he presents his latest publication: "CREO EN LO INNECESARIO" (I BELIEVE IN THE UNNECESSARY).