This may be nit-picking but in their diagram the color chart, portrayed visually as a venn-diagram, is rather misleading. It seems to imply that if you have col

This may be nit-picking but in their diagram the color chart, portrayed visually as a venn-diagram, is rather misleading. It seems to imply that if you have colitis and worms, you have colorectal cancer. And if you have everything, you're A-OK. Really, a color wheel would have been a far better choice of diagram.