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Blood cancer tests may be too good to be true

Name: Blood cancer tests may be too good to be true
Uploaded: 2016-02-10T18:45:00-0500
Duration: 2 min 13 s
Description: A company is claiming it has developed a blood test that detects cancer growing in the body. But some researchers are saying that's not the case. Jim Axelrod investigates.

A company is claiming it has developed a blood test that detects cancer growing in the body. But some researchers are saying that's not the case. Jim Axelrod investigates.