The patron saints against neurological or nerve diseases are St. Bartholomew the Apostle and St. Dymphna.
I don't have the answer for the patron saint of brain disease
There is no patron saint of the mind but there are patron saints against mental illness.
Brigid of Ireland is the patron saint of healers.
Saint Dymphna is the patron saint of mental illness in the Greek Orthodox tradition. She is believed to intercede to provide comfort and support to those struggling with mental health issues.
Against Illness
Saint Dymphna is recognized as the patron saint of mental illness and those afflicted with mental and neurological disorders. She is known for her compassionate nature and is often invoked for strength and comfort in times of mental distress.
The Patron Saint Inde lists no patron saint against cystic fibrosis.
Saint Rita of Cascia. She is also the saint of lost causes, sickness, wounds, illness, and mothers.
St. Camilla is not a patron saint. However, Saint Camillus of Lellis is the patron saint of:against bodily illsagainst illnessagainst sicknesshospitalshospital workersnursessick people
Cammilus is the patron saint of: Abruzzi, Italy against bodily ills against illness against sickness hospitals hospital workers nurses sick people
The Patron Saint Inex lists no patron saints of bears.
A patron saint is supposed to be a protector in the Catholic religion. Patron Saint Angelico is the patron saint of artists. A patron saint is a protector of life.
The Patron Saint Index lists no patron saint of dinosaurs.