Computed tomography (CT) examinations (known more commonly as a “CT scan” or “CAT scan”) incorporate a series of x-ray images taken of areas inside the body and use a computer to create a ...

About 40% of cancers among Americans can be attributed to potentially modifiable factors such as smoking, drinking, obesity, and physical inactivity. If a widely reported study from earlier this year ...

While these advanced imaging tools save lives by detecting injuries and illness, mounting evidence suggests they may come with long-term consequences that patients need to understand before agreeing ...

CT scans are used to investigate all sorts of medical issues, from checking for brain bleeding after a kid takes a hard hit on the soccer field, to revealing what a bike accident did to a cyclist’s ...

A new study has set off alarm bells, attributing the overuse of computed tomography – or CT – scans to around 5% of new cancer diagnoses annually. Since 2007, this imaging technology has seen a 30% ...

When doctors review diagnostic medical scans for lung cancer, they sometimes spot abnormalities unrelated to the lungs. New ...

CT scans identified cancer in 13% of patients with non-specific symptoms, despite a fivefold increase in referrals from GPs from 2012 to 2019. Around 1 in 7 patients were diagnosed with cancer. This ...

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 ...

Forbes contributors publish independent expert analyses and insights. Paul Hsieh, M.D., covers healthcare economics, innovation, and policy. Radiologists have fielded numerous questions in recent ...

A new analysis estimates that more than 100,000 cancer cases per year could be caused by radiation from CT scans. In some cases, the information provided by a CT scan could also be obtained from other ...

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. X-rays and CT scans have ...