About the Author

Karen J. Nolan, PhD, holds advanced degrees in science and human anatomy. She is the coauthor of ten books on nutrition. For more information, visit: TheNutritionExperts.com.

Jo-Ann Heslin, MA, RD, is a professionally trained, registered dietitian and also a regular columnist for HealthNewsDigest.com. She is the coauthor of more than thirty books on nutrition. For more information, visit: TheNutritionExperts.com.