Overview
Colorectal cancer is one of the most preventable cancers. It usually starts as small, non-cancerous polyps that grow slowly over 10–15 years before becoming cancer. Regular screening (colonoscopy) can find and remove these polyps before they turn dangerous. Screening saves lives — it's that simple.
Symptoms
Often no symptoms in early stages
Change in bowel habits lasting more than 2 weeks
Blood in stool or rectal bleeding
Unexplained weight loss
Persistent abdominal pain or cramping
Weakness and fatigue
Common Causes
Age (risk increases after 45)
Family history of colon cancer or polyps
Inflammatory bowel disease (IBD)
Obesity and sedentary lifestyle
Smoking and heavy alcohol use
Low-fiber, high-processed-meat diet
Self-Care Tips
Start screening at age 45 (earlier if family history)
Get a colonoscopy every 10 years if normal
Eat a high-fiber diet with plenty of fruits and vegetables
Exercise regularly and maintain a healthy weight
Quit smoking
Limit red and processed meat
When to See a Doctor
Don't wait for symptoms — start screening at 45. See a doctor immediately if you notice blood in your stool, a persistent change in bowel habits, or unexplained weight loss.
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