Dr. David Ostreicher is a graduate of Columbia University where he received is dental degree, orthodontic degree and Masters in Public Health. He also has a Masters in Nutrition.Dr. Ostreicher has lectured worldwide, has published dozens of articles and has appeared on national television on several occasions. Dr. Ostreicher's first book, "Brush Your Teeth! and other simple ways to stay young and healthy" is also available at amazon.com.