Blog
Do multivitamins actually work? What blood tests reveal
Multivitamins rarely prevent disease in well-nourished adults, but COSMOS 2026 adds nuance. Learn who may benefit and which blood tests matter first.
Does coffee slow or accelerate aging? The surprising science
Coffee is associated with healthier aging in moderate drinkers, but timing, sleep, cholesterol, homocysteine, and caffeine sensitivity decide whether it helps you.
Does stretching actually prevent injuries? The evidence may surprise you
Stretching alone rarely prevents injuries. Learn when it helps, why dynamic warm-ups work, and how strength, recovery and load management lower risk.
Eccentric training and aging: why lowering weight matters after 40
Eccentric training emphasizes lowering under control. Learn how it supports strength, tendons, sarcopenia resistance and safe progress after 40.
Flexibility vs mobility: what actually matters for healthy aging
Flexibility and mobility are different. Learn why active control matters for healthy aging, which tests predict independence, and how to train safely.
Is cardio killing your gains? What science really says
The interference effect is real but overstated. Learn when cardio helps muscle growth, when it hurts, and why both matter for longevity after 40.
Periodization for longevity: structuring training across decades
Learn how to periodize your training for lifelong fitness. From your 30s to 70s+, discover the evidence-based approach to exercise planning that prevents burnout and builds lasting health.
Zone 2 training: the fat-burning intensity that builds mitochondria
Zone 2 training builds mitochondria, burns fat, and supports longevity with minimal injury risk. Learn the science, how to find your zone, and optimal protocols.
Endocrine disruptors and accelerated aging: What BPA, PFAS, and phthalates do to your biology
How BPA, PFAS and phthalates may affect hormones, metabolic aging and epigenetic markers, with practical steps to reduce exposure in daily life.