Psychiatry deals with prevention, assessment, diagnosis, treatment and rehabilitation of mental illness. A psychiatrist diagnoses and treats those with mental and emotional disorders such as schizophrenia, addictions, mood and anxiety disorders, substance-abuse disorders, and sexual and adjustment disorders. After assessment, the psychiatrist can diagnose, treat and manage an illness or problem by medication or various forms of psychotherapy. A psychiatrist is qualified to order diagnostic laboratory tests and to prescribe medications, evaluate and treat psychologic and interpersonal problems, and to intervene with families who are coping with stress, crises and other problems.

Physicians in this specialty treat patients suffering from numerous diseases and illnesses, but some of the most common are Attention Deficit Hyperactive, Learning Disabilities, Co-Dependency, Attention Deficit Disorder, clinical depression, Eating Disorders, Anxiety Disorders, Phobias, Mania, Schizophrenia, Claustrophobia, Paranoia, Agoraphobia, Psychosis, Social Anxiety Disorder, Hallucination, Post-traumatic stress disorder, Obsessive-Compulsive Disorder, Panic disorder, and Panic attacks.

Once properly diagnosed, practitioners can perform numerous procedures on patients including Marital Therapy, Marital Counseling, Adolescent Counseling, Child Counseling, Stress Management, Hypnosis, Family Therapy, Shock Treatment, Relaxation Therapy, Electroconvulsive therapy, and psychiatric therapy.

To diagnose patients with possible illnesses and diseases, specialists will often perform one of many tests including Psychiatric Evaluation, Intelligence Tests, Personality Tests, ADD/ADHD Tests, Depression Tests, Stress Tests, Abuse Tests, psychiatric exam, Sexual Health Tests, and Addictions Tests.

Doctor density varies by specialty and location. Hawaii has 207 practicing psychiatrists. Broken out by city, psychiatry doctor density in Aiea is 6, in Ewa Beach is 14, in Hilo is 9, in Honaunau is 1, in Honolulu is 127, in Kahuku is 1, in Kahului is 3, in Kailua is 10, in Kailua Kona is 3, in Kalaheo is 1, in Kamuela is 3, in Kaneohe is 9, in Kapaa is 1, in Kapolei is 1, in Kealakekua is 4, in Kihei is 1, in Kula is 1, in Lihue is 6, in Makawao is 1, in Mililani is 3, in Pearl City is 3, in Pearl Harbor is 2, in Schofield Barracks is 1, in Tripler Amc is 5, in Wahiawa is 1, in Waianae is 3, in Waikoloa is 1, in Wailuku is 9, in Waimanalo is 1, and in Waipahu is 3.

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.