Baseline Your Health

Chapter 7: Your Laboratory Exams, Your Lab Biomarkers

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Chapter 7

PART 1
Why are biomarkers important?

Biomarkers include the measurements of a physical exam, but most biomarkers are measurements taken at the cellular and molecular levels in an attempt to detect the presence of a wide range of substances and provide information about the function of every organ and system in the body, from lungs to liver and bones to bowels. READ MORE

PART 2
What does “normal” and “abnormal” really mean?

High-tech scans of the body can spot abnormalities the size of a pencil tip. That can be a good thing; we can all see the value of spotting problems when they are tiny. But such micro-detection does not always work in a patient’s favor. It does, though, illustrate the problem of defining what is “normal” and what is not. READ MORE

PART 3
The power of repetition

Biomarkers can be used as snapshots to freeze a single moment in physiological time, but their real power is seen when they are used as a movie to capture the course of change over time. READ MORE

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