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.
Although fewer than 6 percent of American adults will have a severe mental illness in a given year, according to a 2005 study, many moreâmore than a quarter each yearâwill have some diagnosable mental disorder. Thatâs a lot of people. Almost 50 percent of Americans (46.4 percent to be exact) will have a diagnosable mental illness in their lifetimes, based on the previous edition, the DSM-IV. And the new manual will likely make it even easier to get a diagnosis.