1 A reduction is a chemical process that results in the addition of an atom. 2  In 3  â¦. The Five Major Parts of the Brain At its most basic, the brain controls the body. 4  Electrical impulses are sent along the nervous system to and from the brain that regulate all movement.
In Utah, 22.3 percent of the adult population experienced mental illness, and in West Virginia had the most cases of severe mental illness among adults, at 5.5 percent.
Approximately one fourth of adults in the United States have a mental illness, and nearly half will develop at least one mental illness during their lifetime (3--5). The most common mental illnesses in adults are anxiety and mood disorders (4).