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Biomarkers

Explore our latest articles on biomarkers to feed the curious you.

Stress 6 min read

11 ways to improve heart rate variability (HRV)

How to increase HRV, boost readiness and prepare your body for peak performance

Jan 27, 2026
Biomarkers 3 min read

Diabetes risk blood test explained: Metabolic markers and healthy ranges revealed

Understand your risk for diabetes with key blood tests like fasting glucose, insulin, HbA1c, and HOMA-IR. Learn what each marker means — and how early …

Aug 26, 2025
Metabolic Health 6 min read

10 cardiovascular health blood test markers explained

Curious what your heart health blood test results really mean? This guide breaks down 10 essential cardiovascular markers — from LDL and triglycerides …

Aug 05, 2025
Women’s Health 7 min read

Hormones explained: what blood testing can reveal about your health

A clear explainer of the key hormones tested in Ultrahuman’s Blood Vision panel — what each one does, why it matters, and how high or low levels can …

Aug 04, 2025
Longevity 4 min read

Complete blood count (CBC) markers explained

Quickly understand Complete Blood Count markers:  WBC, RBC, hemoglobin, hematocrit, MCV, MCH, MCHC, RDW, platelets & MPV

Jul 30, 2025
Sleep 7 min read

How caffeine affects your sleep – and when you should stop drinking it

Discover how caffeine affects your sleep, from latency to REM disruption—plus science-backed tips for timing your intake without sacrificing rest.

Jul 11, 2025
Sleep 7 min read

Caffeine and adenosine: The reason behind the coffee crash

How caffeine affects adenosine signaling, sleep, and energy. Learn why crashes happen and how to reset your tolerance for better cognitive performance

Jun 20, 2025
Stress 6 min read

Heart rate variability (HRV): What's normal – and how to increase it

We explain HRV, and the science behind this important wearables metric – and finally, what it says about your health.

Jun 18, 2025
Stress 6 min read

The vagus nerve and HRV: How to unlock your parasympathetic superpower

Discover how the vagus nerve influences HRV, stress, and recovery — and how you can train it to improve parasympathetic tone and resilience.

Jun 16, 2025