Naishadham, Lansdrop-Vogelaar, Siegel, Cokkinides, and Jemal look at different U.S. States to determine their colorectal cancer mortality rates starting from the year 1990-2007. The investigators utilized age-standardized colorectal cancer death rates using joinpoint regression. To analyze colorectal cancer screening rates for the year 2004 Person’s correlation was utilized. The results of the study indicated that colorectal cancer mortality rates declined drastically in all states except Mississippi from 1990-2007. The overall results of the study showed that Northeastern states had the greatest declines, and all the Southern states barley had any observable changes. The investigators attributed the declines in colorectal cancer to increased screening being utilized.