This New Review Highlights the Important Role of Vitamin D for Colorectal Cancer The comprehensive literature review included 50 studies of the role vitamin D plays in preventing colorectal cancer. Colorectal cancer rates are increasing significantly, especially in countries that follow or have adopted a Western lifestyle and diet. It is the second most common cancer in men and the third most common in women. A new review highlights the important role vitamin D can play in correcting this concerning problem. The comprehensive literature review