This book covers the modern micro and nanotechnologies used for diagnosis, drug delivery, and theranostics using micro, nano, and implantable systems. In-depth coverage of all aspects of disease treatment is included. It also covers cutting-edge research and technology that will help readers gain knowledge of novel approaches and their applications to improve drug/agent specificity for diagnosis and efficient disease treatment. It is a comprehensive guide for medical specialists, the pharmaceutical-industry, and academic researchers discussing the impact of nanotechnology on diagnosis, drug delivery, and theranostics.