30+ data-driven longevity articles

Self-experiments, wearable reviews, supplement deep dives, and behavior protocols — all backed by my real biometric data.

31 articles
Experiments 13 min read

I Tracked Cold Plunges for 90 Days

90-day cold plunge experiment tracked across two wearables. HRV +7.3ms — but the timing matters more than anyone tells you.
cold plungehrvrecovery
Wearables 14 min read

Apple Watch vs WHOOP vs Oura: 600-Day Showdown

17 months wearing all three simultaneously. Real data on sleep accuracy, HRV, recovery, battery, subscription costs.
wearablescomparisonapple watch
Experiments 12 min read

Creatine + HRV: The 60-Day Experiment

60 days of creatine tracked via WHOOP and Oura. HRV +4.4ms, deep sleep +6 minutes. Morning vs evening produced different effects.
creatinehrvsupplements
Experiments 14 min read

200g of Protein Daily for 30 Days

High-protein experiment with DEXA scans and wearable tracking. +3.2 lbs lean muscle, -1.4 lbs fat, HRV up 3.3ms.
proteinnutritionbody composition
Protocols 13 min read

Stop Optimizing Your Morning: The 14-Step Evening Routine

60 days of evening routine tracking added +6.5 recovery points, +15 min deep sleep, and -9 min sleep onset.
sleepevening routineprotocol
Experiments 11 min read

The +28.8 Point Meditation Effect

127 days of WHOOP data on meditation. The single biggest behavior-impact correlation in my dataset.
meditationhrvrecovery
Data 10 min read

r = 0.80: What Actually Predicts My Recovery

Correlation analysis across 125 days of WHOOP data. The variable that predicts recovery isn't what I expected.
hrvrecoverycorrelation
Data 9 min read

Why Thursday Is the Worst Day of My Week

18 weeks of day-of-week WHOOP data. A 25-point spread between best and worst days, explained.
sleeprecoverypatterns
Experiments 9 min read

The 4.5% Hydration Problem

Hydration impact on recovery, +20.8 points on hydrated days. The compliance gap and how to fix it.
hydrationrecoveryhrv
Protocols 10 min read

±2.9 Hours: My Bedtime Is Loose

60-day protocol to tighten sleep consistency. The most impactful sleep variable nobody talks about.
sleepbedtimecircadian
Wearables 12 min read

WHOOP 4.0 vs Oura Ring Gen 4: 88 Days

88 days wearing both 24/7. Side-by-side data on sleep accuracy, HRV consistency, and daily score quality.
wearablescomparisonwhoop
Supplements 11 min read

AG1 Review After 180 Days

180 days of AG1. Honest review with biometric data. Does the $99/month greens powder actually work?
ag1supplementsgreens
Reviews 10 min read

At-Home Blood Test Kit Review

Comparing at-home blood test services. Cost, accuracy, biomarker coverage, and which to actually use.
blood testsbiomarkersreview
Guides 15 min read

The Complete Guide to HRV

Deep dive on heart rate variability — what it actually measures, why it matters, and how to improve it.
hrvguidereference
Protocols 9 min read

The 3 Sleep Rules That Actually Moved the Needle

My non-negotiable sleep rules after 127 days of WHOOP optimization. Counter-intuitive but data-backed.
sleepprotocolrules
Protocols 8 min read

My Morning Routine

What I do before 9am. The data behind each ritual and what I dropped after measuring the impact.
routinemorningprotocol
Experiments 11 min read

I Reduced Alcohol to Once a Month

90-day alcohol reduction experiment. The biometric impact was bigger than every other intervention combined.
alcoholbiometricsbehavior
Behaviors 8 min read

Caffeine and Sleep: The 4pm Cutoff

Caffeine timing effects on sleep architecture. Half-life math + my testing of the 4pm cutoff rule.
caffeinesleeptiming
Training 11 min read

Zone 2 Cardio for Longevity

Why Zone 2 matters more than intervals for long-term health. The mitochondrial mechanism and my protocol.
cardiozone 2training
Training 10 min read

Strength Training for Longevity

Strength as a longevity intervention. Why grip strength predicts mortality and the minimum effective dose.
trainingstrengthlongevity
Training 8 min read

Foot Strength and Longevity

Why foot strength matters for aging. Toe spreading, single-leg balance, and the foot atrophy epidemic.
feetbarefoottraining
Supplements 10 min read

Creatine for Longevity

Creatine beyond the gym. Cognitive benefits, bone density, sarcopenia prevention, and dosing.
creatinesupplementslongevity
Nutrition 11 min read

Protein for Longevity

Why you need more protein than the RDA suggests. The sarcopenia threat and the 1g per lb rule.
proteinnutritionsarcopenia
Protocols 11 min read

Sauna and Cold Exposure for Longevity

Heat shock proteins, cold shock proteins, and the contrast therapy protocol that actually moves biomarkers.
saunacold plungecontrast
Supplements 13 min read

NAD, NMN, NR for Longevity

NAD precursor analysis. Which one to take, when, and whether any of them actually work.
nadnmnnr
Reviews 9 min read

The Real Cost of a Longevity Stack

Annual cost breakdown of every supplement, device, and service in a serious longevity stack.
supplementscoststack
Guides 12 min read

How I Dropped My Biological Age

Biological age reduction protocol. The behaviors, supplements, and tests that drove a 7-year improvement.
biological agedataprotocol
Guides 10 min read

Starting Over at 25

Longevity playbook for your 20s. What I wish I knew, the early-life compound interest, and what to skip.
guide25beginner
Guides 11 min read

Starting Over at 35

Longevity playbook for your 30s. The decade where biological aging accelerates if you don't intervene.
guide35intermediate
Guides 11 min read

Starting Over at 50

Longevity playbook for your 50s. Sarcopenia, hormone changes, and the metrics that matter most.
guide50advanced
Behaviors 7 min read

Think, Laugh, Cry: The Daily Three

A simple daily emotional health practice. The case for measuring mental health like physical health.
mental healthbehaviordaily