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Cardiovascular
6 pieces on wellness, nutrition, sleep, recovery, and the long story of healthy living.
Cardiovascular
Heart Rate Variability: What Your HRV Actually Tells You (and What It Doesn't)
HRV tracking apps are everywhere. But interpreting your own HRV data requires understanding what variability means physiologically — and when it matters.
4 min read
Fitness
Zone 2 Cardio: Why Slow, Sustainable Effort Builds Aerobic Capacity
Most people either go hard or don't go at all. Zone 2 training — the forgotten middle — drives aerobic adaptation more efficiently than high-intensity work alone.
4 min read
Cardiovascular
HIIT vs Steady-State Cardio — When Each One Wins
Both methods improve aerobic fitness. HIIT is time-efficient; steady-state builds base capacity. Here's how to use both strategically.
3 min read
Fitness
Resistance Training and Bone Density — Building Skeletal Strength
Resistance training stimulates bone-building and is one of the most effective interventions for maintaining or improving bone density with age.
4 min read
Cardiovascular
VO2 Max and Mortality — Why Aerobic Fitness Predicts Lifespan
VO2 max is one of the strongest predictors of lifespan independent of age or weight. Here's what the research shows and why.
3 min read
Cardiovascular
Resting Heart Rate — What It Tells You About Health
Resting heart rate is a simple biomarker of cardiovascular fitness and overall health. Learn to measure it accurately and interpret what it means.
4 min read