Blog
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.
UACR normal range and high result interpretation: What it means for kidney aging
UACR normal range explained: what is normal, what A1, A2, and A3 albuminuria mean, and the next steps after a high urine albumin-to-creatinine ratio.
Eye aging: how to protect your vision and prevent macular degeneration
Learn how eye aging affects vision, what raises macular degeneration risk, and which AREDS2, diet, exam, UV, and smoking habits protect sight.
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.
Reaction time and aging: Why your reflexes slow down and how to keep them sharp
Reaction time slows ~7ms per year after 20. Learn average reaction times by age, what causes the decline, and 6 proven ways to keep your reflexes fast.
Aging after 60: the 5 health markers that matter most
After 60, walking speed, grip strength, balance, VO2 max, and cognition reveal functional aging. Learn how to measure and improve each marker.
Blood pressure by age chart: normal ranges for men and women
Complete blood pressure chart with normal ranges by age and gender. Learn what your systolic and diastolic numbers mean and when to take action.
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.
Health checklist for men over 40: the 10 tests that matter most
The essential health screening checklist for men over 40. Learn which blood tests, physical exams, and fitness assessments to get — and how often — to catch problems early.