An internationally renowned expert in the field of health and nutrition, Gary Null, Ph.D. is the award-winning author of over 70 best-selling books on healthy living and award-winning director of over 100 critically acclaimed full-feature documentary films on natural health, self-empowerment and the environment. He is the host of The Gary Null Show, the country's longest running nationally syndicated health radio talk show, on The Progressive Radio Network (www.prn.fm), which can be heard daily. Throughout his career, Dr. Null has made hundreds of radio and television broadcasts throughout the country as an environmentalist, consumer advocate, investigative reporter and nutrition educator. He originated and completed more than one hundred major investigations on health issues resulting in the use of material by 20/20 and 60 Minutes, and more than 28 different Gary Null television specials have appeared on PBS stations throughout the nation, inspiring and motivating millions of viewers.