Computed tomography (CT) scans are among the most powerful diagnostic tools in modern medicine. From detecting strokes and tumors to guiding emergency trauma care, CT scans have revolutionized how doctors see inside the body. But alongside these benefits, a new large-scale study published in JAMA Internal Medicine raises an alarming concern: CT scans may be contributing to over 100,000 new cancer cases each year in the United States, accounting for roughly 5% of all cancer diagnoses. This revel...