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It's also important to recognize that CT scans use ionizing radiation to create images, and ionizing radiation—especially if the scan uses a high dose of radiation or a patient gets repeated ...
To reduce unnecessary CT use, some hospitals have begun using blood-based biomarkers to guide triage in mild head trauma.
New research reveals CT scans may cause 5% of U.S. cancer cases annually. Learn the risks, who's most vulnerable, and how to protect yourself.