Cambridge Discovery Education Interactive Readers are the next generation of graded readers - captivating topics, high-impact video, and interactive exercises designed to motivate and engage. Can thinking happy thoughts help people overcome their fears? This reader examines the phenomenon of the "placebo effect" in helping people cope with health problems and fears. Use the unique code inside the book to access the online reader, complete with videos and interactive exercises. Word count: 2729. Lexile Reading Level: 800L.