A growing health issue is colon cancer and this video explains how you can screen it and how often. Of note is how African-Americans seem to be the only race at high risk of this type of cancer. We wonder why this race in particular is so at risk. Cancer is such a health challenge and issue because of all the types of cancers there are. With this in mind there are always new screenings and procedures for various types of cancers so it’s good to get an idea of how these processes go and why they are important.