The lifetime risk of stroke for adult men and women (25 years of age and older) is approximately 25 percent. Worldwide, stroke is the second most common cause of mortality and the second most common cause of disability.
The epilepsies are a spectrum of brain disorders ranging from severe, life-threatening and disabling, to ones that are much more benign. In epilepsy, the normal pattern of neuronal activity becomes disturbed
Infections and other disorders affecting the brain and spinal cord can activate the immune system, which leads to inflammation. These diseases, and the resulting inflammation, can produce a wide range of symptoms, including fever, headache, seizures, and changes in behavior or confusion