The book provides complete information on the cornerstones of precision medicine through the omics approach. Clinical applications of genomics and precision medicine have progressed from a theoretical wish list to an impactful force in medical practice.Step-by-step descriptions are provided from basics to the future application and its benefit in clinical practice. Precision medicine aims to personalize health care by tailoring decisions and treatments to each individual in every possible way. Precision medicine includes pharmacogenomics. Essential information is provided on the role of precision medicine and pharmacogenomics in the clinical practice of cancer, cardiovascular disease, diabetes, psychiatric disease, and also the importance for healthcare professionals. This book will assist the practitioners how to integrate precision medicine and pharmacogenomics data into their clinical practice. It is hoped that physicians, pharmacists, and scientists with basic scientific knowledge of precision medicine will findthis book useful.