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 4,662 practicing psychiatrists. Broken out by city, psychiatry doctor density in Agoura Hills is 4, in Albany is 9, in Anaheim is 30, in Antioch is 7, in Arcadia is 12, in Bakersfield is 35, in Berkeley is 110, in Beverly Hills is 92, in Burbank is 13, in Burlingame is 17, in Campbell is 7, in Carlsbad is 15, in Chico is 10, in Chino is 16, in Chula Vista is 26, in Concord is 10, in Coronado is 3, in Corte Madera is 15, in Covina is 12, in Culver City is 11, in Cupertino is 8, in Dana Point is 6, in Davis is 21, in Del Mar is 7, in Diamond Bar is 6, in Downey is 12, in Encinitas is 15, in Escondido is 20, in Folsom is 11, in Fountain Valley is 10, in Fremont is 28, in Fresno is 83, in Glendale is 36, in Glendora is 8, in Half Moon Bay is 3, in Huntington Beach is 24, in Irvine is 33, in La Mesa is 46, in Laguna Hills is 8, in Laguna Niguel is 6, in Lakewood is 3, in Larkspur is 6, in Loma Linda is 39, in Long Beach is 61, in Los Alamitos is 6, in Los Altos is 15, in Los Angeles is 515, in Los Gatos is 21, in Malibu is 3, in Menlo Park is 54, in Mill Valley is 19, in Mission Viejo is 11, in Modesto is 46, in Monterey is 12, in Mountain View is 20, in Napa is 39, in Newport Beach is 34, in Oakland is 76, in Oceanside is 8, in Ojai is 8, in Orange is 46, in Orinda is 9, in Palm Desert is 8, in Palo Alto is 185, in Pasadena is 43, in Petaluma is 14, in Poway is 14, in Rancho Cucamonga is 16, in Rancho Mirage is 7, in Redding is 8, in Redlands is 24, in Redondo Beach is 7, in Redwood City is 26, in Riverside is 35, in Rosemead is 8, in Roseville is 29, in Sacramento is 174, in San Bernardino is 23, in San Clemente is 3, in San Diego is 254, in San Francisco is 533, in San Jose is 95, in San Leandro is 14, in San Luis Obispo is 17, in San Marino is 10, in San Mateo is 55, in San Rafael is 26, in San Ramon is 10, in Santa Ana is 54, in Santa Barbara is 42, in Santa Cruz is 42, in Santa Monica is 50, in Santa Rosa is 54, in Simi Valley is 5, in Solana Beach is 8, in Stockton is 23, in Torrance is 79, in Tustin is 9, in Walnut Creek is 48, and in Westlake Village is 9.

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.