CHX Journal

Insights for better health.

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

24 articles
Ferritin Face: Social Media Trend or Medical Reality?biomarkers

Ferritin Face: Social Media Trend or Medical Reality?

TikTok says you can spot low ferritin in the mirror. Here is what the science actually says about iron, your skin and the sympt...

Read more
Your Iron Journey: From Symptoms to Answersbiomarkers

Your Iron Journey: From Symptoms to Answers

Iron deficiency usually develops in stages, often long before anaemia shows up. Here is what each stage looks like and when tes...

Read more
Longevity Biomarkers Worth Tracking After 40ageing

Longevity Biomarkers Worth Tracking After 40

Healthy ageing is driven by a small number of biomarkers that compound over decades. Learn which to track and why.

Read more
Biomarkers for Athletes in Their 40sathletes

Biomarkers for Athletes in Their 40s

Training in your 40s and beyond benefits from more frequent biomarker tracking. Hormones, recovery, inflammation and iron.

Read more
Joint Pain: When a Blood Test Can Helpbiomarkers

Joint Pain: When a Blood Test Can Help

Joint pain has many causes. Blood tests cannot diagnose arthritis but can surface inflammatory and nutrient markers worth inves...

Read more
Track Your Fitness With Biomarkers: What Athletes Testbiomarkers

Track Your Fitness With Biomarkers: What Athletes Test

Biomarkers add objective data to subjective training metrics. Learn what serious athletes actually test and why.

Read more
Cold Hands and Feet: What Biomarkers Can Revealbiomarkers

Cold Hands and Feet: What Biomarkers Can Reveal

Persistently cold extremities have a small biomarker differential. Thyroid, iron, B12. Learn what to check.

Read more
Biomarkers Before Starting GLP-1: Your Pre-Treatment Baselinebaseline

Biomarkers Before Starting GLP-1: Your Pre-Treatment Baseline

A baseline blood test before starting GLP-1 medication captures the metabolic markers most affected by treatment, so you can tr...

Read more
Pre-Conception Fertility Check: Biomarkers Worth Testingbiomarkers

Pre-Conception Fertility Check: Biomarkers Worth Testing

Before trying to conceive, a baseline blood test can clarify hormonal balance and surface any nutrient gaps worth addressing fi...

Read more
Stay informed

Health insights, in your inbox.

Monthly briefings on biomarker science, longevity research, and what it means for your health. No spam, unsubscribe anytime.

By subscribing you agree to our privacy policy.