Colon cancer: Young bowel cancer cases rise to 7 in 100,000, doctors warn over blood in stool symptoms

A major Swiss study spanning four decades has revealed that more people under 50, including those in their thirties, are being diagnosed with the colon cancer, often after it has already spread. Researchers say the reasons remain unclear, though lifestyle, obesity and environmental factors are all under scrutiny. Rectal cancers are rising sharply in both men and women, while right-sided colon cancers are becoming more common among young women in particular. Colorectal cancer rising in Swiss adults under 50. Younger patients often diagnosed late with advanced disease. Rectal and right-sided colon cancers increasing in young adults.