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. Doctors today don`t use leeches. Long ago, there were no big drug companies. But acupuncture, an ancient practice, is still helping people. Follow how medicine has - and has not - changed over time. Use the unique code inside the book to access the online reader, complete with videos and interactive exercises. Word count: 2011. Lexile Reading Level: 790L