Insights for better health.
Evidence-based articles on biomarkers, longevity, and the science of preventative health — written by the ChXhealth team.
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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B12 deficiencyVitamin B12 deficiency: symptoms, causes, and how to test
Vitamin B12 deficiency is sneaky: vegetarians, older adults, and people on common medications are most at risk. Here's how to s...
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biomarkersWhat Your Sleep Says About Your Hormones
Poor sleep is both a symptom and a cause of hormonal imbalance. Learn which biomarkers connect to common sleep issues.
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brain-fogVitamin B12 and Brain Fog: When to Test
B12 deficiency can cause brain fog, fatigue and memory problems long before classic anaemia symptoms appear. Learn when testing...
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biomarkersCholesterol explained: LDL, HDL, triglycerides — what the numbers mean
Heart disease causes 1 in 4 UK deaths. Understanding your LDL, HDL, triglycerides and the ratios between them is one of the hig...
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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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biomarkersInsulin Resistance: Early Signs and Biomarkers
Insulin resistance develops silently for years before glucose moves out of range. Learn the early biomarkers and signs worth ch...
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biomarkersPSA test explained: prostate health for men over 45
1 in 8 UK men will be diagnosed with prostate cancer. The PSA test is one of the simplest ways to catch it early. Here's what t...
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cadenceHow Often Should You Retest? Biomarker Testing Cadence
Different biomarkers move on different timescales. Learn sensible retesting cadence for each major panel.
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