Mar. 13—March is National Colorectal Cancer Awareness Month, and it's worth knowing that the recommended age to begin getting colonoscopy screenings has dropped from age 50 to 45. The reason for this, according to Dr. Sam Chubineh, who has a private practice in Lockport, is the simple procedure is estimated to prevent 76% to 90% of colon cancer. With more than 130,000 people in the United .