When your doctor uses terms like intraductal carcinoma or akathisia, do you understand and can you ask the right questions? If you, like most Americans, are taking a more active role in your family's healthcare, the fully revised and updated Webster's New World Medical Dictionary, Third Edition will help you understand and communicate your medical needs when it matters the most. Written by doctors and the experts at WebMD, this edition includes 8500 entries, including 500 new terms, a vitamin appendix, and a companion website to give you access to medical language.