CHX Journal

Insights for better health.

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

33 articles

Longevity Biomarkers Worth Tracking After 40

Healthy ageing is driven by a small number of biomarkers that compound over decades. Learn which to track and why.

Training in your 40s and beyond benefits from more frequent biomarker tracking. Hormones, recovery, inflammation and iron.

Joint pain has many causes. Blood tests cannot diagnose arthritis but can surface inflammatory and nutrient markers worth inves...

Finger prick kits and venous blood draws each have a place. Learn which Chxhealth tests use which method and why.

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

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

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

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

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