The nervous system is a complex network of nerves and cells that transmit signals between different parts of the body. When this system is disrupted, it can lead to various nervous system diseases. Some of the most common synonyms for nervous system disease are neurological disorder, nerve disorder, and neurodegenerative disease. These terms refer to any condition that affects the nervous system and may result in symptoms such as weakness, numbness, tingling, or pain. Some specific examples of nervous system diseases include Alzheimer's disease, Parkinson's disease, multiple sclerosis, and epilepsy. It is important to seek medical attention if you suspect you may have a nervous system disease to receive proper diagnosis and treatment.