Tag: cancer blood test

There is a lot of emphasis on measuring thyroid function via a blood test. But just how accurate is a blood test? To measure thyroid function via a blood test, that is to assume that 100 percent or nearly 100 percent of thyroid hormone function takes place in the blood. Right? That is where it […]

A cancer blood test works by screening for DNA released by dying tumor cells. These tests are showing promise for detecting traces of tumor DNA in the blood of cancer patients. As a cancerous tumor progresses, it takes over parts of the body. It battles “regular” cells for space as well as nutrients. The tumor […]