Risks of cancer-causing radiation from X-rays, CT scans

A new investigation from Consumer Reports found the number of CT scans grew from 3 million a year in 1980 to 80 million today, and up to one-third of them could be unnecessary. Consumer Reports deputy content editor Trisha Calvo joins "CBS This Morning" to discuss the story.
Source: Health News: CBSNews.com - Category: Consumer Health News Source Type: news