Studies on the Arteries of the Brain

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Abstract
The arteries of 322 brains obtained at consecutive autopsies were studied in a general hospital located in eastern Brazil. The following facts were registered in connection with cerebral atherosclerosis : (1) age and high blood pressure were the two main factors connected with its appearance; (2) its highest incidence (52%) was seen in the 61 to 70 age group, while the youngest patient to present it was in the 31 to 40; (3) it occurred less frequently in women than in men. A suggestion is made that a racial factor exists which is responsible for a higher incidence of cerebral atherosclerosis in the population studied than in Americans and Norwegians.