How? Colin T. Campbell, author of the groundbreaking and best-selling book The China Study breaks it down in this video. His findings show that cancer tumor growth can be turned on and off with the introduction and reduction of animal protein.
This following video is 45 minutes long. It's Campbell at a podium with a slide machine. However, I find it fascinating. He covers a lot of the major points of the book. So, when you have time, watch it in full. It answers a lot of questions, some of which I didn't know I had. And it reinforces the health reasons for living a vegan lifestyle, scientifically and unequivocally. (scroll down to the bottom of the page for the link to the video)
Watch the video here