“Everything About Happy Longevity, Evidence-Based Medicine” This new book will show why this is true. Rule #1 of longevity is NOT TO DIE YOUNG! What are the 5 Devils of Health? And what are the 5 F’s for happy Longevity? A truthful informative book giving you the blueprint of Longevity. Thank you DR. P Chan. Evidence-based medicine, East Meets West!