# empirical.health

> AI-optimized mirror of empirical.health containing 50 pages totalling 1,245,421 words of clean markdown content, structured data, and semantic HTML. Original source: https://empirical.health/. Last updated: 2026-04-30T23:28:00.913Z.

Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG).

## Homepage

- [ApoB+12%](/site-root.html) (25,955 words)

## Articles & Blog Posts

- [Heart Health Test](/testing/93263/heart-health-test/index.html) (25,942 words)
- [Peter Attia Blood Tests](/testing/93263/peter-attia-blood-tests/index.html) (25,867 words)
- [Peter Attia Biomarkers](/testing/93263/peter-attia-biomarkers/index.html) (25,855 words)
- [Inflammation Test](/testing/93263/inflammation-test/index.html) (25,838 words)
- [testing/93263/rbc/index.html](/testing/93263/rbc/index.html) (2 words)
- [Function Health Alternative](/testing/93263/function-health-alternative/index.html) (26,014 words)
- [Outlive Biomarkers](/testing/93263/outlive-biomarkers/index.html) (25,848 words)
- [Nutrition Blood Test](/testing/93263/nutrition-blood-test/index.html) (25,845 words)
- [Heart Health Panel](/testing/93263/heart-health-panel/index.html) (25,959 words)
- [What is Hemoglobin?](/testing/93263/hemoglobin/index.html) (25,716 words)
- [Heart Health Test](/testing/93247/heart-health-test/index.html) (25,942 words)
- [What is High-sensitivity C-reactive Protein?](/testing/93263/hs-crp/index.html) (26,178 words)
- [What is Lipoprotein a?](/testing/93263/lpa/index.html) (26,164 words)
- [What is TSH?](/testing/93263/tsh/index.html) (25,778 words)
- [What is Vitamin D?](/testing/93263/vitamin-d/index.html) (25,922 words)
- [Blood Work](/testing/93263/blood-work/index.html) (25,843 words)
- [Biomarker Testing](/testing/93263/biomarker-testing/index.html) (25,847 words)
- [Blueprint Blood Tests](/testing/93263/blueprint-blood-tests/index.html) (25,848 words)
- [Full Blood Panel](/testing/93263/full-blood-panel/index.html) (25,846 words)
- [Thyroid Panel](/testing/93247/full-thyroid-panel/index.html) (25,827 words)
- [Thyroid Panel](/testing/93263/full-thyroid-panel/index.html) (25,825 words)
- [Inflammation Test](/testing/93247/inflammation-test/index.html) (25,839 words)
- [Outlive Biomarkers](/testing/93247/outlive-biomarkers/index.html) (25,847 words)
- [Nutrition Blood Test](/testing/93247/nutrition-blood-test/index.html) (25,845 words)
- [Peter Attia Blood Tests](/testing/93247/peter-attia-blood-tests/index.html) (25,866 words)
- [Peter Attia Biomarkers](/testing/93247/peter-attia-biomarkers/index.html) (25,854 words)
- [Biomarker Testing](/testing/93247/biomarker-testing/index.html) (25,848 words)
- [What is Apolipoprotein B?](/testing/93263/apob/index.html) (26,208 words)
- [What do I get in the Heart Health program?](/reviews/index.html) (26,380 words)
- [Full Blood Panel](/testing/93247/full-blood-panel/index.html) (25,846 words)
- [Blood Work](/testing/93247/blood-work/index.html) (25,842 words)
- [What is Apolipoprotein B/A1 Ratio?](/testing/93263/apob-a1/index.html) (25,887 words)
- [What is Calcium?](/testing/93263/calcium/index.html) (25,745 words)
- [What is High-sensitivity C-reactive Protein?](/testing/93247/hs-crp/index.html) (26,177 words)
- [Function Health Alternative](/testing/93247/function-health-alternative/index.html) (26,015 words)
- [Blueprint Blood Tests](/testing/93247/blueprint-blood-tests/index.html) (25,847 words)
- [testing/93247/rbc/index.html](/testing/93247/rbc/index.html) (2 words)
- [What is TSH?](/testing/93247/tsh/index.html) (25,777 words)
- [What is Lipoprotein a?](/testing/93247/lpa/index.html) (26,163 words)
- [What is Hemoglobin A1c?](/testing/93263/a1c/index.html) (25,886 words)
- [How different wearables measure HRV: SDNN vs RMSSD](/blog/how-wearables-measure-hrv/index.html): Whoop vs Oura vs Apple Watch vs Fitbit (26,299 words)
- [Heart Health Panel](/testing/93247/heart-health-panel/index.html) (25,957 words)
- [What is Vitamin D?](/testing/93247/vitamin-d/index.html) (25,922 words)
- [What is Calcium?](/testing/93247/calcium/index.html) (25,743 words)
- [How Apple Watch estimates VO2Max to 1.2 ml/kg/min without a treadmill test](/blog/apple-watch-cardio-fitness-accuracy-vo2max/index.html): How Apple Watch estimates VO2Max to 1.2 ml/kg/min using GPS and heart rate. (26,510 words)
- [Four Lp(a)-lowering drugs in trials reduce levels by up to 94%.](/blog/lpa-lowering-medications/index.html): Pelacarsen, olpasiran, lepodisiran, and muvalaplin are racing to become the first approved therapy for elevated Lp(a). (26,105 words)
- [What is Hemoglobin?](/testing/93247/hemoglobin/index.html) (25,714 words)
- [Apple Watch's heart rate monitor is accurate to 5bpm 89-98% of the time](/blog/apple-watch-heart-rate-monitor-accuracy/index.html): Studies validating the accuracy of Apple Watch's heart rate monitor. (26,470 words)
- [Apple Watch's calorie counts can be accurate within 18-40%—if you follow these steps.](/blog/apple-watch-calories-accuracy/index.html): Apple Watch's calorie estimates use GPS, accelerometer, heart rate, and barometer (25,966 words)

## Resources

- [Full Page Index](/index.html): Browse all cached pages with rich metadata
- [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines
- [XML Sitemap](/content/sitemap.xml): Machine-readable sitemap for crawler discovery
- [Robots.txt](/content/robots.txt): Crawler directives