CHX Journal
Insights for better health.
Evidence-based articles on biomarkers, longevity, and the science of preventative health — written by the ChXhealth team.
finger-prickFinger Prick vs Venous Blood Draw: Which Is Right?
Finger prick kits and venous blood draws each have a place. Learn which Chxhealth tests use which method and why.
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blood-testWhat Is a Reference Range? Why Ranges Differ
Reference ranges differ between labs and assays. Here is how to read them confidently and understand the variation.
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blood-testHow to Read Your Blood Test Report
Your Chxhealth report shows each biomarker, the reference range, and what each marker measures. Here is how to read it.
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blood-testFasting Before a Blood Test: What Really Matters
Some blood tests need fasting, others do not. Learn which need a fast, how long, and why.
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