Colorectal cancer is the third most common cancer in men and women in the United States. It is the second leading cause of death from cancer. And according to many research data, the proportion of young people at risk of colorectal cancer is increasing.

A new study recommends starting colorectal cancer screening at age 45. That's because more cases of colorectal cancer are occurring in younger people, researchers say.

Colorectal cancer is the third most common cancer in men and women in the United States. It is the second leading cause of death from cancer. And according to many research data, the proportion of young people at risk of colorectal cancer is increasing.