68 страниц. 2011 год. LAP Lambert Academic Publishing This work deals with colorectal cancer, especially with its primary prevention. The theoretical part deals with the epidemiology of colorectal cancer, the function of the colon and the diagnosis of colorectal cancer. The main attention is focused on factors of primary prevention which are divided into three groups: risk, protective and chemopreventive. The practical part of this work explores how much is a sample of healthy population informed about elements of primary and secondary prevention.