Research Indicates That Addiction and Mental Illness Are Common In TheUnited States

August 08, 2005 Research Indicates That Addiction and Mental Illness Are Common In The United States  About a quarter of American adults have addiction or mental health problems ranging from mild to severe, but few receive treatment, according to researchers from Harvard Medical School. Harvard researchers interviewed 9,200 adults and found in a given year that: 26% had a mental disorder, including alcohol or other drug abuse 18% had suffered from anxiety  9.5% had mood disorders (such as depression)  9% had impulse-control problems 3.8% had addiction problems  40% of the cases were mild 37% of the . . .