I think that they give Dr. Ornish only three minutes for his talks because he talks so fast. 

Watch the map of year to year changes in obesity in the US.  It is a great graphical demonstration of what is happening to our health.

This talk is really about an experiment done on humans.  All the people volunteered for the experiment.  Asians used to eat, well, like Asians, and had very low rates of heart disease and obesity.

Now, Asians eat like us, and the rate of death by heart attack is climbing.

The World's Killer Diet.