Colorectal cancer is increasing rapidly worldwide.
Not limited to older adults—cases are rising sharply in younger people too.
Early signs are mild and often mistaken for common digestive problems.
A JAMA Network study found specific stool-related symptoms strongly linked to early-onset colorectal cancer.
🔹 Why Early Detection Matters
Early diagnosis gives the best chance of a cure.
American cancer Society survival rates:
Around 90% survival when cancer is confined to one area
Around 73% if it spreads to nearby regions
Only 13% if it spreads further into the body
Timely detection allows for more effective treatment and reduces recurrence.
🔹 Four Stool-Related Symptoms That Should Never Be Ignored
1️⃣ Stool Becomes Thin or “Pencil-Like.”
The stool becomes ribbon-like or narrow for several days.
Occurs when a tumor narrows the intestinal passage
If shape changes persist, immediate medical evaluation is needed.
Mucus in Stool
Small amounts are normal, but sticky or gel-like mucus is concerning.
Increased mucus or discharge from the rectum may signal inflammation or a tumor.
Blood in Stool
Bright red or black blood in stool is a major warning sign.
50–60% of early-stage patients show bleeding symptoms
It could resemble hemorrhoids, but persistent bleeding must not be ignored.
Persistent Diarrhea or Constipation
Constant bowel habit changes lasting days or weeks.
Alternating diarrhea and constipation is especially concerning.
Colonoscopy is recommended if symptoms persist, especially after age 50
🔹 Why Risk Is Rising in Young Adults
Lancet Oncology reports cases rising among ages 25–49 in 27 of 50 countries.
Possible reasons include:
High antibiotic usage at a young age
Processed and low-fiber diets
Obesity and inactivity
Unhealthy lifestyle patterns
Early screening, healthy eating, and exercise can reduce risk significantly.
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