Explore Capsules
19 capsules

A Runner's Guide to Cushioning, Stability, and Injury Risk
More cushion feels protective, but whether it actually lowers injury risk or quietly changes your stride is genuinely unsettled. These views split over cost and expert opinion, the research methods behind the claims, and the personal trade-off between cushion and stability. See where they clash so you can choose what fits your stride and mileage.

The Over-50 Exerciser's Guide to Safe Strength Training
Strength and fitness training after 50 requires careful attention to safety, proper technique, and listening to your body. Different guidelines emphasize warming up, avoiding breath-holding, managing joint pain, and recognizing warning signs like chest discomfort. Understanding these varied approaches helps you choose a routine that balances progress with real-world health considerations and emergency preparedness.

Peter Attia's Outlive: Longevity Guidelines, Evidence, and Tradeoffs
Longevity medicine offers varied guidelines on exercise intensity, supplement timing, medical screening, and cold exposure. These guidelines differ on how to balance rigorous research with practical daily actions, when to intervene medically, and how to safely apply cold therapies. Understanding these differences helps you choose personalized strategies for healthspan and lifespan optimization.

Interval Training's Fat Loss Edge: Missing Data and Cardio Evidence
The cardio-versus-intervals argument drags on partly because fat loss studies are riddled with dropouts and missing measurements. This take argues that when those gaps are filled with rigorous statistical methods instead of ignored, high intensity interval training pulls clearly ahead of steady state cardio. If you care what the evidence really says, the way researchers handle incomplete data should change which workout you trust.

Data-Driven Sports Betting: Pricing, Context, and Model Discipline
Effective sports betting models integrate historical performance, market pricing, and context-specific factors while avoiding common pitfalls like overfitting and ignoring roster changes.

A Fitness Beginner's Guide to Soreness and Progress
Soreness is a common part of starting fitness, but it is not the same as progress. Learn how to distinguish normal muscle discomfort from meaningful improvement, why strength and consistency matter more than next-day pain, and how to track gains without relying on soreness as proof that a workout worked.

Women and Heavy Weights: Hormones, Muscle Growth, and Strength
Fear of getting bulky keeps many women away from heavy weights, but the biology says otherwise. These explanations cover how hormones like testosterone limit muscle size, what sex-difference research actually shows, and why heavy training is both safe and effective. You can decide how to approach strength work without the bulk worry holding you back.