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. California has 4,646 practicing psychiatrists. Broken out by city, psychiatry doctor density in Agoura Hills is 3, in Albany is 6, in Anaheim is 37, in Antioch is 5, in Arcadia is 15, in Bakersfield is 57, in Berkeley is 96, in Beverly Hills is 69, in Burbank is 16, in Burlingame is 14, in Carlsbad is 16, in Chino is 17, in Chula Vista is 18, in Concord is 12, in Corte Madera is 11, in Covina is 12, in Culver City is 10, in Cupertino is 9, in Dana Point is 10, in Davis is 17, in Del Mar is 10, in Diamond Bar is 5, in Downey is 19, in Encinitas is 14, in Escondido is 17, in Folsom is 6, in Fountain Valley is 7, in Fremont is 29, in Fresno is 81, in Glendale is 29, in Glendora is 7, in Half Moon Bay is 3, in Huntington Beach is 23, in Irvine is 28, in La Mesa is 36, in Laguna Hills is 6, in Laguna Niguel is 6, in Lake Forest is 4, in Lakewood is 2, in Larkspur is 7, in Loma Linda is 47, in Long Beach is 84, in Los Alamitos is 6, in Los Altos is 12, in Los Angeles is 548, in Los Gatos is 15, in Malibu is 5, in Menlo Park is 44, in Mill Valley is 11, in Mission Viejo is 10, in Modesto is 36, in Monterey is 15, in Mountain View is 18, in Napa is 66, in Newport Beach is 29, in Oakland is 92, in Oceanside is 8, in Ojai is 5, in Orange is 63, in Orinda is 8, in Palm Desert is 17, in Palo Alto is 147, in Pasadena is 45, in Petaluma is 10, in Poway is 9, in Rancho Cucamonga is 8, in Rancho Mirage is 7, in Redding is 6, in Redlands is 21, in Redondo Beach is 6, in Redwood City is 30, in Riverside is 47, in Rosemead is 13, in Roseville is 27, in Sacramento is 174, in San Bernardino is 26, in San Clemente is 2, in San Diego is 291, in San Francisco is 514, in San Jose is 107, in San Leandro is 15, in San Luis Obispo is 22, in San Marino is 9, in San Mateo is 56, in San Rafael is 18, in San Ramon is 5, in Santa Ana is 60, in Santa Barbara is 43, in Santa Clarita is 2, in Santa Cruz is 40, in Santa Monica is 40, in Santa Rosa is 46, in Simi Valley is 6, in Solana Beach is 5, in Stockton is 24, in Torrance is 89, in Tustin is 5, in Vallejo is 21, in Walnut Creek is 39, and in Westlake Village is 7.

California’s population is 36,142,137, and it is America’s third largest and most populous state. It also claims the highest and lowest altitudes in the lower 48 states. The lowest point in the country, Death Valley, is also home to the nation’s highest recorded temperature, 134 degrees. Tourists flock to this state for its many outdoor activities and attractions, including Universal Studios, Disneyland, Rodeo Drive shopping, the Golden Gate Bridge in San Francisco, wine country tours, and California’s numerous beaches and parks. Los Angeles is the nation’s second largest city, but California’s capital is Sacramento. The giant sequoias in California’s forests are among the oldest living things in the world, and a redwood in the Redwood National Park is said to be the world’s tallest tree, at 365 feet. California achieved statehood in 1850, and was named the Golden State after the beginning of the Gold Rush in 1848.

According to 2005 Census estimates, California has a population of 36,132,147. Of this population, 9,308,563 are under the age of 18 and 3,827,038 are at or above the age of 65.