ASSOCIATED SYMPTOMS. Hearing loss, pain, nausea, vomiting, or neurologic symptoms can help differentiate the cause of vertigo. Most causes of vertigo with hearing loss are peripheral, the main exception being a cerebrovascular event involving the internal auditory artery or anterior inferior cerebellar artery.enign paroxysmal positional vertigo, acute vestibular neuronitis, and MeniereâmÃ©niÃ¨re s disease cause most cases of; vertigo, however family physicians must consider other causes including cerebrovascular, disease, migraine psychological, disease perilymphatic, fistulas multiple, sclerosis and intracranial. neoplasms
In October 1990, the Census Bureau issued estimated U.S. population figures of approximately 254 million, based on a tracking of birth, death, and immigration records.
How the Population Has Changed and Is Projected to Grow. In 1790, the year of the first census of the U.S. population, there were 3,929,214 Americans. By 1900, the number had jumped to 75,994,575. In 1920 the census counted more than 100 million people (105,710,620).