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35-Year-Old Beats Stage 3 Colon Cancer With Exercise
1 Mar
Summary
- Young man diagnosed with stage 3 colon cancer at age 35.
- Strength training proved as effective as drugs for preventing relapse.
- Dietary changes include more fiber and avoiding processed meats.
Five years ago, at the age of 35, Mark Seguin received a startling diagnosis of stage 3 colon cancer. He experienced severe abdominal pain, which led to an ER visit and subsequent tests, including a colonoscopy, revealing the advanced stage of the disease. Seguin underwent surgery and high-dose chemotherapy, losing 30 pounds and experiencing significant physical frailty.
Determined to regain strength, Seguin initiated a strength training program inspired by professional athletes. He discovered compelling research from 2025 indicating that exercise can be as effective as medication in preventing colon cancer relapse. This finding was presented at a major cancer conference last year.
Alongside his fitness routine, Seguin has modified his diet, emphasizing fiber-rich foods like vegetables and beans while reducing intake of ultra-processed and cured meats. He also takes a daily baby aspirin, which studies suggest may lower the risk of certain colon cancer recurrences.
Seguin is now nearing the end of his treatment, with doctors optimistic about his recovery if upcoming scans and blood work remain clear. He advocates for increased awareness of young-onset colon cancer, which is becoming more deadly for those under 50.
