This book outlines how to optimize your body based upon scientific data and includes objective scientific references to support every statement. The subject matter includes successful medical weight loss; bariatric surgery; essential cardiovascular exercises; resistance training; how to build muscle at any age; value of dietary proteins, fats, and carbohydrates; essential supplements based upon science; hormone replacement for both men and women; why and how we age; and supplements that may increase longevity. Other topics include alcohol and brain health, IV therapy, and ozone therapy. The value of this book is that it reviews scientific data and separates facts from fiction. It answers the questions that most people have regarding diet, exercise, supplements, hormone replacement, alcohol and longevity. This is the most important information that most people do not have and your doctor dos not tell you. None of these topics are taught in medical schools.