Health A-Z

Medical Content Created by the Faculty of the Harvard Medical School



There is no known way to prevent primary brain tumors. As more is learned about what causes them, more may be done to prevent them. Researchers are studying genetic and hereditary factors, exposure to certain chemicals, and exposure to certain viruses.

Some secondary brain tumors that originally started in other organs can be prevented. For example, avoiding tobacco products decreases the risk of lung cancer, thereby decreasing the chance that lung cancer cells ever appear in the brain.

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From Health A-Z, Harvard Health Publications. Copyright 2007 by the President and Fellows of Harvard College. All rights reserved. Written permission is required to reproduce, in any manner, in whole or in part, the material contained herein. To make a reprint request, contact Harvard Health Publications. Used with permission of StayWell.

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