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