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 4,372 practicing psychiatrists. Broken out by city, psychiatry doctor density in Agoura Hills is 3, in Albany is 6, in Anaheim is 31, in Antioch is 5, in Arcadia is 15, in Bakersfield is 50, in Berkeley is 92, in Beverly Hills is 58, in Burbank is 14, in Burlingame is 14, in Campbell is 6, in Carlsbad is 13, in Chico is 8, in Chino is 15, in Chula Vista is 12, in Concord is 5, in Coronado is 4, in Corte Madera is 9, in Covina is 10, in Culver City is 9, in Cupertino is 7, in Dana Point is 7, in Davis is 16, in Del Mar is 6, in Diamond Bar is 4, in Downey is 15, in Encinitas is 12, in Escondido is 14, in Folsom is 6, in Fountain Valley is 7, in Fremont is 26, in Fresno is 80, in Glendale is 24, in Glendora is 7, in Half Moon Bay is 3, in Huntington Beach is 21, in Irvine is 26, in La Mesa is 36, in Laguna Hills is 7, in Laguna Niguel is 6, in Lakewood is 2, in Larkspur is 6, in Loma Linda is 45, in Long Beach is 72, in Los Alamitos is 5, in Los Altos is 11, in Los Angeles is 480, in Los Gatos is 14, in Malibu is 5, in Menlo Park is 43, in Mill Valley is 10, in Mission Viejo is 8, in Modesto is 34, in Monterey is 15, in Mountain View is 17, in Napa is 63, in Newport Beach is 26, in Oakland is 79, in Oceanside is 6, in Ojai is 6, in Orange is 57, in Orinda is 7, in Palm Desert is 12, in Palo Alto is 137, in Pasadena is 41, in Petaluma is 12, in Poway is 9, in Rancho Cucamonga is 10, in Rancho Mirage is 6, in Redding is 6, in Redlands is 24, in Redondo Beach is 6, in Redwood City is 28, in Riverside is 42, in Rosemead is 12, in Roseville is 28, in Sacramento is 170, in San Bernardino is 25, in San Clemente is 2, in San Diego is 266, in San Francisco is 483, in San Jose is 103, in San Leandro is 14, in San Luis Obispo is 22, in San Marino is 9, in San Mateo is 50, in San Rafael is 18, in San Ramon is 5, in Santa Ana is 48, in Santa Barbara is 40, in Santa Cruz is 38, in Santa Monica is 37, in Santa Rosa is 51, in Simi Valley is 4, in Solana Beach is 4, in Stockton is 21, in Torrance is 88, in Tustin is 6, in Walnut Creek is 33, and in Westlake Village is 6.

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.