This book discusses the latest advances and developments in toxicity and drug testing. It encompasses rising technologies (3D cultures, next generation sequencing, profiling technologies, etc.), available techniques and models to assess potential drugs and medicinal plants with reference to drug testing and advancement, and toxicity. Contributions have been made in this book by veterans from across the world. The aim of this book is to serve as a valuable source of information for physicians as well as scientists who are directly dealing with drugs/medicines and human life.