CHX Journal

Insights for better health.

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

38 articles
Track Your Fitness With Biomarkers: What Athletes Testbiomarkers

Track Your Fitness With Biomarkers: What Athletes Test

Biomarkers add objective data to subjective training metrics. Learn what serious athletes actually test and why.

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TRT: What to Monitor With Blood Testsmens-health

TRT: What to Monitor With Blood Tests

Testosterone replacement therapy needs careful monitoring. Learn which biomarkers to test, when, and why.

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Cold Hands and Feet: What Biomarkers Can Revealbiomarkers

Cold Hands and Feet: What Biomarkers Can Reveal

Persistently cold extremities have a small biomarker differential. Thyroid, iron, B12. Learn what to check.

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Biomarkers Before Starting GLP-1: Your Pre-Treatment Baselinebaseline

Biomarkers Before Starting GLP-1: Your Pre-Treatment Baseline

A baseline blood test before starting GLP-1 medication captures the metabolic markers most affected by treatment, so you can tr...

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Why Hormone Testing Day Matters: Cycle Timing Explainedcycle

Why Hormone Testing Day Matters: Cycle Timing Explained

Female hormones change daily across the cycle. The right day for testing makes results interpretable.

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Pre-Conception Fertility Check: Biomarkers Worth Testingbiomarkers

Pre-Conception Fertility Check: Biomarkers Worth Testing

Before trying to conceive, a baseline blood test can clarify hormonal balance and surface any nutrient gaps worth addressing fi...

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Brain Fog Explained: Biomarkers Worth Checkingbiomarkers

Brain Fog Explained: Biomarkers Worth Checking

Brain fog has a small list of common biomarker causes. Iron, B12, thyroid, blood sugar, hormones. Learn what to test.

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Unexplained Weight Gain in Women: Biomarkers to Investigatebiomarkers

Unexplained Weight Gain in Women: Biomarkers to Investigate

Weight gain that resists lifestyle effort has identifiable biomarker drivers. Thyroid, insulin, cortisol, hormones. Learn what ...

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Oestradiol Through Perimenopause: What to Expecthormones

Oestradiol Through Perimenopause: What to Expect

Oestradiol falls and fluctuates through perimenopause. Learn what blood test patterns mean and how to interpret them.

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