A concise, evidence-focused guide offering practical, science-backed strategies to extend healthy lifespan by prioritizing everyday habits and prevention. It emphasizes regular movement, good sleep, balanced nutrition and stress management, combined with routine screening and attention to simple biomarkers, while recommending use of modern tools like wearables and personalized care to catch problems early. The book takes a realistic, prevention-oriented approach that highlights mental and social well-being as essential components of longevity.