What Are the Risk Factors for Colorectal Cancer?

Photo of two women walking outdoors

Your risk of getting colorectal cancer increases as you get older, but getting regular physical activity and keeping a healthy weight may help lower your risk.

Your risk of getting colorectal cancer increases as you get older. About 90% of cases occur in people who are 50 years old or older. Other risk factors include having—

Lifestyle factors that may contribute to an increased risk of colorectal cancer include—

Asaad and Leah: We’re a Team
Photo of Asaad and Leah in their living room.

When Leah was diagnosed with colorectal cancer from smoking, her 19-year-old son, Asaad, put his life on hold to take care of her. They share their story in this video.

Page last reviewed: February 10, 2020