Celebrated Cornell University professor T. Colin Campbell Phd, presents the overwhelming evidence showing that animal protein is one of the most potent carcinogens people are exposed to. This is the FULL 45 MINUTE talk from Dr. Campbell's appearance at the 2005 VegSource Healthy Lifestyle Expo. More info and Expo talks are available on DVD in our IN OUR STORE https://secure2.vegsource.com/catalog/