Blog
HbA1c normal but glucose spikes: which result should you trust?
HbA1c normal but glucose spikes can mean early insulin resistance, meal-specific exposure, or A1c bias. Learn what to repeat and how to track the pattern.
Fasting insulin normal range by age: useful zones, not one universal cutoff
Fasting insulin ranges by age, with practical zones for HOMA-IR, lab reference intervals, repeat testing, and safer metabolic trend interpretation.
HOMA-IR explained: what is a good score and how to interpret yours
HOMA-IR explained: the formula, the score thresholds for insulin sensitivity vs resistance, and what to do with your number — without needing a glucose tolerance test.
Fasting glucose normal range by age and risk zone
Fasting glucose normal range by age and risk zone: what's optimal, what's elevated, when to worry, and how to interpret your number for metabolic longevity.
CGM vs fasting insulin: which finds metabolic aging earlier?
CGM and fasting insulin answer different metabolic-aging questions. Learn when insulin rises first, when CGM helps most, and how to use both together.
Fasting insulin vs HbA1c vs glucose: Which shows metabolic aging first?
Fasting insulin vs HbA1c vs glucose compared: which marker flags metabolic aging years before the others, how to sequence testing, and what to do with results.
Cold exposure: how cold therapy activates brown fat and strengthens your body
Learn what cold exposure can and cannot do: brown fat activation, hormesis, safe cold shower and plunge protocols, recovery timing, and risks.
DEXA scan vs bioimpedance: which body composition test is most accurate
DEXA is best for baseline body composition and bone density; BIA is best for frequent trend tracking. Compare accuracy, cost, limits, and when to use each.
Metabolic health and aging: the complete guide
Complete guide to metabolic health and aging. Covers insulin sensitivity, glucose control, basal metabolic rate, AMPK/mTOR, autophagy, glycation, ketones, and evidence-based strategies to optimize metabolism for longevity.