Rebecca Morris is the author of several nonfiction books for students. She also writes cookbooks, fiction, and literary criticism. She has a PhD in English from Texas A&M University.

Learn about the tools and technology that help doctors find and diagnose chronic illnesses and conditions. Easy-to-read text is paired with informative sidebars, a "That's Amazing!" special feature, a table of contents, quiz questions, a glossary, additional resources, and an index.