Neurological illnesses affect the brain, spinal cord, or nerves and cause symptoms including memory loss, seizures, and decreased movement. These diseases include Alzheimer's, Parkinson's, epilepsy, and stroke. In Kerala, ayurvedic hospitals like Punarnava and Sanjeevanam offer comprehensive care that manages and reduces symptoms through the use of herbal remedies, therapies like Panchakarma, and lifestyle changes.