What is good nutrition? The answer to that question is the most important and widely discussed health-care and life-style issue of the day. Now Jane Brody has written the soundest and most comprehensive guide to nutrition yet available for the layperson. Among the many questions she answers are: Do we really need vitamin supplements? Is fast food junk food? What foods are best for our children? Is protein the vital ingredient in our diet or have carbohydrates gotten a bad press? And many, many other pertinent questions which are vital to this important issue.