Today on the 4th International Epilepsy Day, epilepsy still affects above 50 million persons worldwide. Diagnosing the disease remains difficult, but could be done with a simple blood test in a few years, as explain Merab Kokaia (Lund University, coordinator of EPITARGET) and David Henshall (Royal Collage of Surgeons in Ireland, coordinator of EpimiRNA project) in an interview to HORIZON: the EU Research & Innovation magazine.