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This $1,000 test detects signs of cancer in your blood
This $1,000 test detects signs of cancer in your blood
Doctors, researchers and patient advocates are excited about a new blood test that promises to detect cancer early. They disagree on whether you should actually use it.
The Galleri Liquid Biopsy, $949, can screen for more than 50 types of cancer. It works by looking for a shared cancer signal in the DNA shed by tumors into the bloodstream. More than 130,000 Prescription-only tests have been sold since Galleri became available in June 2021, according to test maker Grail, a unit of genetic sequencing company Illumina.
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