How do CT scans actually work, and what can they do that other imaging tests can’t? Computer tomography, CT, is an essential and widely used tool in modern medicine.

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. A new ...

What if your old chest scans—taken years ago for something unrelated—held a secret warning about your heart? A new AI tool ...

NPR's Ayesha Rascoe asks Dr. Rebecca Smith-Bindman about her research indicating CT scans, which emit radiation, will cause some 100,000 cases of cancer annually.

NPR's Ayesha Rascoe asks Dr. Rebecca Smith-Bindman about her research indicating CT scans, which emit radiation, will cause some 100,000 cases of cancer annually.