'You are what you eat!'. This is an idiom that means to be fit and healthy, you need to eat good food. This famous idiom makes the book How Food Works a must-read book. This book can be our 'private nutritionist'. It reveals the facts behind what we eat daily, destroys some common food myths, and describes the benefits of some superfoods and antioxidants. From this book, you can amazingly find, for example, the magic of lutein and zeaxanthin to protect eye health. And, this book even contains general guidelines about what to eat during pregnancy. This book is therefore trully recommended for a healthy lifestyle!