Computer tomography scans, or CT scans, are an invaluable tool for diagnosing cancer and other conditions. But in a cruel twist, the medical imaging technique may be more harmful than once thought ...

X-rays and CT scans have revolutionized medicine. Doctors can look inside the body and diagnose diseases even before people feel ill. But medical imaging that uses radiation comes at a cost.

That figure has raised concerns. Especially when you consider that the number of CT scans done in the US has jumped by 30% in just over a decade. In 2023, there were an estimated 93 million CT ...