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Mental Illness Common in the U.S.
More Than 1 in 4 Adults Per Year Affected By Mental Illness or Substance Abuse
June 6, 2005 -- New research shows that mental illness is common in the U.S., but many people don't get prompt, adequate treatment.
More than one in four U.S. adults per year have some form of mental illness or substance abuse. Many of those cases are mild, but 14% of the population has moderate or severe mental illness, say Harvard Medical School's Ronald Kessler, PhD, and colleagues.
Lifetime prevalence is even higher. About half of all Americans will meet the criteria for some type of mental disorder sometime in their lifetime, with first onset usually in childhood or adolescence, Kessler writes in June's Archives of General Psychiatry.
"Most people with mental disorders in the United States remain either untreated or poorly treated," write researchers in another study in the journal.
Mental Illness Is Treatable
Before you read another word, know this: Mental illnesses can be treated. Health experts urge people to seek care if their moods, substance use, or thinking is suffering.
When in doubt, ask. Doctors and counselors can help find and treat the problem. While the new studies only included adults, nurturing children's mental health is obviously also important.
It's normal to have ups and downs. Mental illness goes beyond that, dragging people down to a shadow of their true selves. Those problems are nothing to be ashamed of and deserve swift attention, just like any other health condition.
"People with mental illnesses can be treated effectively and lead normal, productive lives," says former first lady and mental health advocate Rosalynn Carter.
Tracking Mental Illness
The new studies are based on face-to-face interviews with more than 9,200 English-speaking adults. Homeless people and those in institutions were not included.
The findings showed that during the course of a year, 26% had any mental disorder, including substance abuse. Anxiety was the most common problem, seen in 18% of the participants. Next were mood disorders (9.5%), impulse control problems (9%), and substance disorders (3.8%).
About 40% of those cases were mild, while 37% were "moderate" and 22% were "serious," say Kessler and colleagues. Severity included the degree of disability and suicide plans or attempts.
"Although mental disorders are widespread, serious cases are concentrated among a relatively small proportion of cases with high co-morbidity [more than one illness]," says the study.
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