If you are obese, you may also experience: 1  Trouble sleeping. 2  Sleep apnea. 3  Shortness of breath.  Varicose 1  veins. Skin problems caused by moisture that accumulates in the folds of your skin. 2  Gallstones. Osteoarthritis in weight-bearing joints, especially the  knees.
World War I as a declared state of war lasted from July 28, 1914 to November 11, 1918. After a decade of unstable alliances and military buildups, World War I was triggered in 1914 by the assassination of Archduke Ferdinand. It ended in 1919 with the Treaty of Versailles. (See related question below.)
Ten years ago, the U.S. and coalition forces began military action against Iraq, spurring deep divisions in the U.S. and around the world. The official end of the war came December 31, 2011, but thousands of lives have been changed. Explore some of the voices from iReporters, newsmakers, CNN correspondents and others from around the world.