Ann Louis Gittleman is a leading nutritionist and author of numerous books including Get the Sugar Out: 501 Simple Ways to Cut the Sugar in Any Diet and Get the Salt Out: 501 Simple Ways to Cut the Salt Out of Any Diet. In these books, she explains the importance of sugar and salt in a balanced diet, but also the dangers of using them to excess. The book provides valuable tips on how to cut your sugar and salt intake. In Guess What Came to Dinner: Parasites and Your Health, she explains that an amazing one out of six people suffer from internal parasites. A common, but often unknown, danger, parasites are often present in our food. She details the symptoms that people suffering from parasites might undergo, and explains how to guard against these unwelcome invaders. Gittleman has a masters degree from the Teachers College at Columbia University. She was the nutritional director at the Pritikin Longevity Center in Santa Monica, Calif. and has also been a consultant to medical institutions, spas, and clinics.