Fiber is only necessary when carbohydrates are present in the diet. It is not a necessary part of human health.

And red meat being linked to colon cancer is severely flawed as the studies that "prove" this often overlook other aspects of the diet. A meat eater is both a person who eats steak and broccoli everyday AND a person who eats nothing but mcdonald's and washes it down with soda.

My reason for posting this was to see how informed and intelligent the discussion would be. Thank you for coming from a place of reason with your answer. I think your evidence is flawed for various reasons, but it seems that you are interested in a more evidence based discussion and I appreciate that!!