Neurology is the study of disorders of the nervous system. A neurologist is a physician who diagnoses and treats nervous system disorders of the brain, spinal cord and nerves. This specialist deals with problems related to brain disease, disorders of the brain, spinal cord, and the nerves, and the blood vessels that provide circulation to these organs. A neurologist also treats specific diseases such as Bell’s palsy, cerebellar ataxia and meningitis.

Physicians in this specialty treat patients suffering from numerous diseases and illnesses, but some of the most common are stroke, Guillain-Barré syndrome, brain tumor, migraine, meningitis, seizure, Parkinson's disease, epilepsy, cerebral palsy, coma, multiple sclerosis, Alzheimer's disease, cluster headache, ischemic stroke, encephalitis, encephalopathy, botulism, chorea, Lou Gehrig's disease, and ataxia.

Once properly diagnosed, practitioners can perform numerous procedures on patients including Electroconvulsive therapy and Electroencephalogram (EEG).

To diagnose patients with possible illnesses and diseases, specialists will often perform one of many tests including CAT Scan of the Brain, CT Scan of the Brain, MRI Scan of the Brain, MRI Scan of the Spine, Magnetic Resonance Imaging (MRI), Computed Axial Tomography (CT or CAT Scan), Myelogram, Spinal Tap, Lumbar Puncture (LP), Electromyography (EMG), Myelography, Positron Emission Tomography (PET Scan), Spinal Puncture, Nerve Conduction Velocity (NCV), Electroencephalography, Cerebral Angiogram, Electronystagmography (ENG), Ocular Pressures, CSF Collection, and Myogram.

Doctor density varies by specialty and location. Hawaii has 43 practicing neurologists. Broken out by city, neurology doctor density in Aiea is 2, in Ewa Beach is 1, in Hilo is 3, in Honolulu is 30, in Kahului is 1, in Kailua is 6, in Kailua Kona is 2, in Kapolei is 1, in Lahaina is 1, in Lihue is 2, in Makawao is 1, in Pearl City is 2, in Tripler Amc is 1, and in Wailuku is 2.

One of the more popular vacation destinations in the world, Hawaii’s lush tropical environment invites all to relax and enjoy the outdoors. Popular Hawaiian activities include snorkeling, scuba diving, surfing, biking to one of Hawaii’s volcanoes, or enjoying a helicopter or horseback ride. Learn about Hawaii’s natural history and culture by attending a luau and watching a traditional hula dance. Hawaii’s population is 1,275,194, and the capital city is Honolulu. Statehood was achieved in 1959, making Hawaii our 50th state. Tourism is Hawaii's largest source of outside income. Visit the Polynesian Cultural Center, experience history at Pearl Harbor, or take a walk on Waikiki Beach, the world’s most famous shoreline.

According to 2005 Census estimates, Hawaii has a population of 1,275,194. Of this population, 198,087 are under the age of 18 and 162,565 are at or above the age of 65.