Understanding the causes and risk factors of rectal cancer can help individuals take proactive steps. Key contributors include:
- Diet & Lifestyle: High intake of red/processed meats, low fiber, smoking, and excessive alcohol.
- Chronic Conditions: Inflammatory bowel diseases like Crohn’s or ulcerative colitis.
- Genetics: Family history or inherited conditions such as Lynch syndrome and FAP.
- Obesity & Inactivity: Excess weight and sedentary lifestyle increase risk.
- Age: Risk rises after 50, but younger adults can also be affected.
- Radiation & Diabetes: Prior pelvic radiation or type 2 diabetes may increase susceptibility.