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Eustachian tube dysfunction can be caused by a number of factors. Some common causes include the flu, allergies, a cold, and sinus infections. [6] In patients with chronic ear disease such as cholesteatoma and chronic discharge, studies showed that they have obstructive pathology at the ear side of the Eustachian tube.
The dissolution of the Soviet Union ended the Cold War and led to world that is widely considered as uni polar, with the United States being the sole remaining hyperpower, but many other rising powers hold great influence in the world and are certainly superpowers. The Cold War defined the political role of the United States after World War II.
The end of World War II brought the beginning of the Cold War between the United States and the Soviet Union. The Korean War began in 1950 as a proxy war between the two countries following the invasion of South Korea. As the Cold War began, American foreign policy shifted toward the Truman Doctrine, with a focus on containment of Communism.
The post –Cold War era is a period of history that follows the end of the Cold War, which represents history after the dissolution of the Soviet Union in December 1991. This period saw many former Soviet republics become sovereign nations, as well as the introduction of market economies in eastern Europe.
In awarding Lovett the Distinguished Service Medal in September 1945, President Harry Truman wrote, "He has truly been the eyes, ears and hands of the Secretary of War in respect to the growth of that enormous American airpower which has astonished the world and played such a large part in bringing the war to a speedy and successful conclusion ...
But in war, asking troops to meet the ideals and values they carry into battle – always be honorable, always be courageous, always treat civilians with respect, never harm a non-combatant – may itself cause moral injury when these ideals collide with the reality of combat. Accomplishing the mission may mean placing innocent civilians at risk.
For example, very curvy ear canals, narrow ear canals, or surgical ears are more prone to earwax buildup. When wax builds up, it causes muffled hearing, tinnitus, or aural fullness (plugged-up ...
Another potential cause of tinnitus is congestion due to a severe cold, the flu, or a sinus infection. Pressure in your middle ear as well as your nasal passages could possibly fire up your nerves ...