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.
People of the United States, there are 5 timre zones from East to West Maine Has it's own time zone, seams everone always forgets this. There is 3 hours difference from East to West. The world is dived into 24 time zones, each 15 degrees longitude wide. The longitudinal meridian passing through Greenwich, Englin, is the starting point, and is called the prime meridian. The 12th zone is divided by the 180th medridian (International Date Line).