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