Cancer blood tests: How accurate are they?

An estimated 240 Canadians die from cancer every day. Now, a growing number of companies are offering cancer-detecting blood tests. Some claim they can detect signs of more than 50 types of cancer. Princess Margaret oncologist and researcher Dr. Raymond Kim says these liquid biopsies show promise, but there are good reasons to think twice before paying for one. For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.