The booming U.S. economy, in which imports tripled from $23 million in 1790 to $78 million in 1807, brought in far more tariffs to pay off the debt. Still, the deficit-cutting plan hit a setback when Jefferson decided in 1803 to add $15 million of debt to the mound he inherited.
Prolonged exposure to loud sounds is the most common cause of tinnitus. Up to 90% of people with tinnitus have some level of noise-induced hearing loss. The noise causes permanent damage to the sound-sensitive cells of the cochlea, a spiral-shaped organ in the inner ear.
Many prescription and nonprescription medicines can cause ringing in the ears (tinnitus). A few examples are: 1  Aspirin, ibuprofen (such as Advil or Motrin), and naproxen (such as Aleve). 2  Some blood pressure and heart medicines. 3  Some antidepressants.