This is a special reference edition put out by TIME. This book covers many areas of health issues and is beautifly illustrated - for instance it diagrams in color how Alzheimer's Disease develops in the brain. How Statin drugs work to reduce cholesterol levels. How colon cancer forms and how to spot it. How stress takes its toll. 10 foods that pack a wallop. Stem Cell research - these are just a few of the topics covered in this book.