Some CT scans may have too much radiation, researchers say

NBC News – Saturday, March 8, 2025
By Joanne Kenen

The imaging tool used to diagnose bone injuries, cancer and other diseases may expose patients to unnecessarily high radiation doses.

About 93 million CT scans are performed every year in the United States, according to IMV, a medical market research company that tracks imaging. More than half of those scans are for people 60 and older. Yet there is scant regulation of radiation levels as the machines scan organs and structures inside bodies. Dosages are erratic, varying widely from one clinic to another, and are too often unnecessarily high, Smith-Bindman and other critics say.

Click here to read the entire article.