(HealthDay News) -- More than 43 million American adults, 18 percent of the U.S. population, had a mental disorder in the past year, the most recent surveys cited by the Substance Abuse and Mental Health Services Administration (SAMHSA) show.
These disorders -- characterized by significant changes in mood, thoughts or behavior -- often make carrying out daily activities more difficult and impair relationships with family and friends.
If you or a loved one has a mental disorder, the agency suggests: