Health and Biological Age Guides
Concise, sourced explanations that separate estimates from measurements and general information from medical care.
What is biological age?Habits That Influence Biological AgeLearn how sleep, movement, smoking, nutrition, stress and strength relate to estimated biological age.What Is VO₂max?Understand what VO₂max shows, how it is measured and why reference values vary with age.What Is Resting Heart Rate?Measure resting heart rate consistently, understand age ranges and know when a change needs medical attention.Sleep and Biological AgeLearn how sleep duration and regularity relate to recovery, daily function and estimated biological age.Healthy Ageing GuideWhat healthy ageing means and how movement, strength, sleep, social connection and preventive care support it.