It ended when metal tools became widespread (in the Copper Age or Bronze Age; or, in some geographical regions, in the Iron Age). The Neolithic is a progression of behavioral and cultural characteristics and changes, including the use of wild and domestic crops and of domesticated animals.
A single exposure to a sudden extremely loud noise can also cause tinnitus. A variety of other conditions and illnesses can lead to tinnitus, including: Blockages of the ear due to a buildup of wax, an ear infection, or rarely, a benign tumor of the nerve that allows us to hear (auditory nerve)
Tinnitus is a condition that involves continuous ringing or buzzing in the ear. Symptoms of Tinnitus include phantom noises like ringing, buzzing, roaring, clicking and hissing in your ears. The noise may vary in pitch from low to very high and may be heard in one or both ears.