In this article. Body dysmorphic disorder (BDD) is a distinct mental disorder in which a person has symptoms of a medical illness, but the symptoms cannot be fully explained by an actual physical disorder. People with BDD are preoccupied with an imagined physical defect or a minor defect that others often cannot see.DD is a chronic (long-term) disorder that affects men and women equally. It usually begins during the teen years or early adulthood. The most common areas of concern for people with BDD include: 1  Skin imperfections: These include wrinkles, scars, acne, and blemishes.
Four standard time zones for the continental United States were introduced at noon on November 18, 1883, when the telegraph lines transmitted time signals to all major cities.
Central Time Zone in the United States. The Central Time Zone, includes that part of the United States that is west of the boundary line between the eastern and central standard time zones (view) and east of the boundary line between the central and mountain standard time zones described (view). Five states are in both the eastern and central time zones. Those are Florida, Indiana, Kentucky, Michigan and Tennessee. View the boundary line between eastern and central Time Zones. Five other states are in both the central and mountain time zones. Those are Kansas, Nebraska, North Dakota, South Dakota and Texas.