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 4,479 practicing psychiatrists. Broken out by city, psychiatry doctor density in Albany is 7, in Anaheim is 33, in Antioch is 5, in Arcadia is 16, in Bakersfield is 54, in Berkeley is 93, in Beverly Hills is 60, in Burbank is 15, in Burlingame is 14, in Carlsbad is 13, in Chino is 16, in Chula Vista is 13, in Concord is 5, in Corte Madera is 10, in Covina is 11, in Culver City is 9, in Cupertino is 8, in Dana Point is 7, in Davis is 17, in Del Mar is 7, in Diamond Bar is 4, in Downey is 15, in Encinitas is 13, in Escondido is 14, in Fairfield is 11, in Folsom is 6, in Fountain Valley is 6, in Fremont is 27, in Fresno is 81, in Glendale is 28, in Glendora is 7, in Half Moon Bay is 3, in Huntington Beach is 21, in Irvine is 27, in La Mesa is 35, in Laguna Hills is 7, in Laguna Niguel is 6, in Lake Forest is 3, in Lakewood is 2, in Larkspur is 7, in Loma Linda is 47, in Long Beach is 76, in Los Alamitos is 5, in Los Altos is 10, in Los Angeles is 511, in Los Gatos is 14, in Malibu is 5, in Menlo Park is 42, in Mill Valley is 10, in Mission Viejo is 9, in Modesto is 35, in Monterey is 15, in Mountain View is 15, in Napa is 65, in Newport Beach is 27, in Oakland is 86, in Oceanside is 7, in Ojai is 6, in Orange is 59, in Orinda is 7, in Palm Desert is 14, in Palm Springs is 7, in Palo Alto is 143, in Pasadena is 42, in Petaluma is 10, in Poway is 9, in Rancho Cucamonga is 7, in Rancho Mirage is 6, in Redding is 6, in Redlands is 24, in Redondo Beach is 6, in Redwood City is 30, in Riverside is 45, in Rosemead is 14, in Roseville is 27, in Sacramento is 171, in San Bernardino is 26, in San Clemente is 2, in San Diego is 282, in San Francisco is 499, in San Jose is 107, in San Leandro is 14, in San Luis Obispo is 22, in San Marino is 9, in San Mateo is 52, in San Rafael is 16, in San Ramon is 5, in Santa Ana is 57, in Santa Barbara is 42, in Santa Cruz is 37, in Santa Monica is 37, in Santa Rosa is 46, in Simi Valley is 5, in Solana Beach is 5, in Stockton is 22, in Temecula is 10, in Torrance is 87, in Tustin is 5, 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.