A new validation study tested Garmin HRV accuracy against a clinical ECG standard across a full…
Category: Science
HRV Data: What 5 Years of Daily Tracking Showed Me
Five years of daily heart rate variability measurements reveal patterns about sustainable training, measurement protocols, and…
Eight Sleep Menopause Study: Cooling Boosts HRV & Deep Sleep
Peer-reviewed research reveals how Eight Sleep active cooling helps postmenopausal women and adults over 45. Discover…
Afib detection: Apple Watch 4x better than your doctor
New research from Amsterdam UMC shows Apple Watch detected atrial fibrillation in 10% of at-risk patients…
“DC” – The Next Big Health Feature Coming to Garmin, Apple, and Google Watches in 2026?
Honor's "anti-sudden cardiac arrest screening" uses deceleration capacity (DC), a clinically validated metric that existing Apple…
Science-based Hyrox training to improve race times
An analysis of Hyrox physiology and race data, detailing why aerobic base development and strategic pacing…
PRUNGO Review: FluxGo (Lite and RLT300, Red Light Therapy)
After four weeks, the PRUNGO FluxGo dual-wavelength RLT device provided noticeable relief for my chronic lower…
New Supplement Study Reveals Enhanced Muscle Glycogen & 24% Fat Burning
A pioneering study finds CurraNZ blackcurrant extract significantly increases muscle glycogen reserves and boosts fat utilization…
What’s the Cap on Human Energy Expenditure? Elite Athletes Reveal ‘Metabolic Ceiling’
Elite ultra-athletes reveal the metabolic ceiling on human energy expenditure: a maximum sustainable limit of 2.4…
A new way to pace endurance efforts: using Ventilatory Thresholds for Running and Triathlon Training
VT-based zones offer an alternative approach to setting and monitoring zones.
Hiking? Running? What happens when your brain fails to track distance correctly – Scientists find out why the Brain’s Internal GPS Has a Design Flaw
The Brain’s Internal GPS Has a Design Flaw Imagine your car showing an incorrect number of…
How Apple Watch’s Sleep Score Is Calculated: all you need to know to improve sleep health
Decode the Apple Sleep Score calculation to understand your sleep patterns and needs.
Your 65 Key Biomarkers Listed: and how to improve your Top 10
measures over 65 biomarkers, including HOMA-IR, ApoB, and cortisol, to provide insights into metabolic, cardiovascular, and…
