We are not beholden at all to the big textbook publishers, says Superintendent Calvin Baker. We used to invest hundreds of thousands of dollars every year in the textbook cycle, but we don't do that anymore..
The two most prevalent types are acute myeloid leukemia (AML) and chronic myeloid leukemia (CML). While the five year survival rate is 57%, there's still work to be done, particularly in acute cases which are more severe. Orange ribbons are a great way to raise leukemia awareness.
Although their uses is less prevalent, periwinkle and violet ribbons are used for stomach cancer awareness and Hodgkin's lymphoma, respectively, and not well known for any other causes. Like purple ribbons, blue ribbons represent many things, and among these are two types of cancer, colon cancer and colorectal cancer. Blue ribbons are also used, particularly in Canada, as a symbol for another issue that is related to cancer, anti-tobacco and anti-second-hand-smoke awareness.