CHX Journal

Insights for better health.

Evidence-based articles on biomarkers, longevity, and the science of preventative health — written by the ChXhealth team.

3 articles 77 topics
AllanaemiaB12 deficiencybaselinebiomarkersblood sugarblood-testbrain-fogburnoutcadencecardiovascularCholesterolcognitiveCortisolcycledeficiencydiabetesendocrinologyenergyfastingfatigueFerritinfertilityFree PSAFree testosteronefrequencyglp1hair-lossHbA1cHDLheart healthheart-healthhormoneshow-toHPA axisimmune healthinsulinIroniron deficiencyLDLlipid panellow Tmen's healthmenopausemetabolic healthmetabolic-healthmusclenutritionoestradiolover-40perimenopausepre-conceptionprediabetespregnancy-planningprostate cancerprostate healthPSAreference-rangereportsscreeningsleepstresssupplementationtestingTestosteronethyroidtirednesstriglyceridesUK healthveganvegetarianVitamin B12Vitamin Dvitamin-b12weight-gainweight-losswomenwomen's health
What Is a Reference Range? Why Ranges Differblood-test

What 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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How to Read Your Blood Test Reportblood-test

How 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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Fasting Before a Blood Test: What Really Mattersblood-test

Fasting 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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