Insights for better health.
Evidence-based articles on biomarkers, longevity, and the science of preventative health — written by the ChXhealth team.
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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fatigueLow Ferritin and Hair Loss: The Iron Connection
Hair shedding is one of the most common visible signs of low iron stores. Learn the ferritin threshold and how to test.
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biomarkersTestosterone in men: what your levels actually mean
Testosterone levels in UK men have fallen 20% in 30 years. Here's what your level should be, what affects it, and how to test i...
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biomarkersCholesterol After 40: The Markers That Matter Most
Total cholesterol alone is a blunt indicator. Learn which lipid markers are most useful for cardiovascular risk in your 40s and...
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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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anaemiaFerritin and iron: why fatigue might mean your stores are low
Low ferritin is the most common nutrient deficiency in the UK. Here's why it matters, what the numbers mean, and how to test yo...
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