CHX Journal

Insights for better health.

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

3 articles 77 topics
AllanaemiaB12 deficiencybaselinebiomarkersblood sugarblood-testbrain-fogburnoutcadencecardiovascularCholesterolcognitiveCortisolcycledeficiencydiabetesendocrinologyenergyfastingfatigueFerritinfertilityFree PSAFree testosteronefrequencyglp1hair-lossHbA1cHDLheart healthheart-healthhormoneshow-toHPA axisimmune healthinsulinIroniron deficiencyLDLlipid panellow Tmen's healthmenopausemetabolic healthmetabolic-healthmusclenutritionoestradiolover-40perimenopausepre-conceptionprediabetespregnancy-planningprostate cancerprostate healthPSAreference-rangereportsscreeningsleepstresssupplementationtestingTestosteronethyroidtirednesstriglyceridesUK healthveganvegetarianVitamin B12Vitamin Dvitamin-b12weight-gainweight-losswomenwomen's health
Vitamin B12 deficiency: symptoms, causes, and how to testB12 deficiency

Vitamin 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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Vitamin B12 and Brain Fog: When to Testbrain-fog

Vitamin 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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Why 1 in 5 UK adults has low Vitamin D — and what to do about itbiomarkers

Why 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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