Colorectal Cancer Affecting Younger People: Don’t Ignore Rectal Bleeding
Colorectal cancer is increasingly affecting younger individuals, and research suggests adults under 50 experiencing rectal bleeding may require earlier colonoscopies. While rectal bleeding isn’t always indicative of cancer – it can also stem from hemorrhoids, inflammatory bowel disease, or constipation – it remains a crucial warning sign that warrants medical attention regardless of age.
“Eating Well” reports a sharp rise in “early-onset colorectal cancer” cases among those under 50 in recent decades. A new study emphasizes the importance of vigilance regarding rectal bleeding as a potential early cancer indicator within this age group. The study revealed that adults under 50 undergoing colonoscopies with reported rectal bleeding had an 850% (8.5 times) higher risk of early-onset colorectal cancer compared to those without the symptom.
Sandra Kavalukas,a colorectal surgeon at the University of Louisville School of Medicine in Kentucky and study author,stresses the meaning of taking rectal bleeding seriously,even without a family history or before reaching the recommended screening age of 45.
Rectal bleeding linked to higher cancer risk
The study, presented at the American College of Surgeons Clinical Congress 2025 in early October, analyzed data from approximately 450 adults under 50 who underwent colonoscopies at the University of Louisville Health System.
The findings indicated that around 45% of participants were diagnosed with early-onset colorectal cancer, while the remaining 55% had…