This book presents some recent updates in health and disease. Chapter One provides an overview of facioscapulohumeral muscular dystrophy. Chapter Two summarizes the recent research findings related to the pathogenesis of E. histolytica. Chapter Three summarizes the literature concerning the role of fluoride in osteogenesis. Chapter Four investigates the utility of ultrasound elastography in detection of liver disease. Chapter Five evaluates the efficiency of health services of some countries during the COVID-19 pandemic. Chapter Six describes treatment options for petroclival meningiomas. Chapter Seven explains the uses, mechanisms of actions and clinical outcomes of ibuprofen. Chapter Eight defines and describes limb-girdle muscular dystrophies, including its clinical manifestations, diagnostic strategies, and treatment options. Finally, Chapter Nine discusses the diagnosis of methamphetamine-related poisoning and death, including pathophysiological and toxicological findings, in forensic practices.