Large-Cents (1793-1857) - Large cents have earned a spot in history as the first US coins ever minted by the United States government on its own equipment and premises. They were minted from 1793 to 1857 at the mint in Philadelphia, the only U.S. Mint at the time. Find out more and see more images...........
Intracranial atherosclerosis, one of the leading causes of ischemic stroke, is associated with an increased risk for recurrent stroke and dementia. Individuals of Asian, Hispanic, and African American ancestry are especially affected.
Spontaneous Intracranial Hypotension (SIH) is a condition where a patient gets postural headaches due to a leak of the Cerebrospinal Fluid (CSF) in the spinal membrane.(1) What happens is that the leak causes low CSF pressure within the nervous system, and thus causes a constant string of headaches to the patient.pontaneous Intracranial Hypotension (SIH) is a condition where a patient gets postural headaches due to a leak of the Cerebrospinal Fluid (CSF) in the spinal membrane.