Neurology is the study of the anatomy, physiology, and pathology of the nervous system. In other words, it is the study of structures, their functions, and diseases of the nervous. There are two major parts of the nervous system: Central Nervous System, which includes the brain and the spinal cord, and the Peripheral Nervous System, which includes spinal nerves and cranial nerves. Neurological problems can affect our family, friends, patients, and ourselves.