Insights for better health.
Evidence-based articles on biomarkers, longevity, and the science of preventative health — written by the ChXhealth team.
Cholesterol 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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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...
Read moreCortisol and Burnout: What Your Stress Hormone Reveals
Cortisol is your main stress hormone. Chronic elevation drives weight gain, poor sleep, anxiety and fatigue. Learn how a UK blo...
Read moreWhy Am I Always Tired? Biomarker Causes Explained
Persistent tiredness has a relatively small list of common biomarker causes. Learn which markers to check and why.
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biomarkersCortisol explained: why the "stress hormone" matters more than you think
Cortisol gets a bad rap, but it's actually one of the most important regulatory chemicals your body produces. Here's how it wor...
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biomarkersWhy 1 in 5 UK adults has low Vitamin D — and what to do about it
From October to March, the UK essentially can't make Vitamin D from sunlight. Here's what that means for your levels, and how t...
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biomarkersWhat is HbA1c? The blood sugar marker everyone should know
If your blood sugar were a stock market, HbA1c is the three-month average. Here's why it's one of the most useful single number...
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