Here's a short comment on the research study conducted by Harvard, entitled 'Red Meat Consumption and Mortality', on March 12th, 2012. This comment is written by Dr. Dean Ornish (http://en.wikipedia.org/wiki/Dean_Ornish), a leading doctor in nutritional health.
Dean Ornish Commentary
Update: Here's another link with a video as well. http://www.care2.com/greenliving/harvards-meat-and-mortality-studies.html
Dean Ornish Commentary
Update: Here's another link with a video as well. http://www.care2.com/greenliving/harvards-meat-and-mortality-studies.html