'Our little girl, 2, has childhood dementia - it's every parent's worst nightmare'
The parents of a toddler with childhood dementia are advocating for government funding for research into a cure for her rare condition.
Queen Letizia remembers Elena, a young woman with Sanfilippo syndrome, to call for more research on rare diseases
Queen Letizia highlighted the story of Elena, a young girl with Sanfilippo syndrome, to advocate for increased research on rare diseases in Spain, where only a small percentage of these conditions have specific treatments.