But it can also be the result of a number of health conditions, such as: 1  Noise-induced hearing loss. 2  Ear and sinus infections. 3  Diseases of the heart or blood vessels. 4  MÃ©niÃ¨reâs disease. 5  Brain tumors. 6  Hormonal changes in women. 7  Thyroid abnormalities.
The Aryan Migration. Before the time of the Aryan migration into the Indian subcontinent, there was a highly developed civilization in ancient India known as the Indus Valley Civilization, which was located in what is Pakistan and northwest India today, on the fertile flood plain of the Indus River and its vicinity.he Aryan Migration. Before the time of the Aryan migration into the Indian subcontinent, there was a highly developed civilization in ancient India known as the Indus Valley Civilization, which was located in what is Pakistan and northwest India today, on the fertile flood plain of the Indus River and its vicinity.
The World's Oldest Civilization. The cradle of civilization is one of the five possible locations where civilization first emerged. According to many experts, civilization began in what is called the Fertile Crescent (Mesopotamia), and then spread to other areas due to a nomadic lifestyle.t is difficult to answer a question like what is the oldest civilization and how old is it because there are no definite records or dating methods that can give us an exact time period for when these civilizations existed.