A 50-year-old Hong Kong bank manager who had three precancerous colon polyps surgically removed three years ago has shown zero recurrence of the growths after he adopted a diet heavy in cabbage—prompting his gastroenterologist to describe his colon as “pink, healthy, and spotless.” The case, shared by Taiwanese nephrologist Dr. Hung Yung-Hsiang on the health program Healthy Good Life, highlights how affordable vegetables from the cabbage family may offer powerful protection against colorectal cancer, Hong Kong’s second deadliest malignancy.
The Case Study: From Risk to Recovery
The patient, a high-pressure banking professional, had long suffered from poor eating habits—heavy red meat consumption, minimal vegetable intake, and resulting issues including hypertension, chronic constipation, and bad breath. During a routine colonoscopy, doctors discovered three adenomatous polyps, a type of precancerous lesion that, if untreated, significantly raises the risk of developing colorectal cancer.
After the polyps were removed, the patient asked Dr. Hung about supplements to prevent recurrence. Instead, the doctor advised a complete dietary overhaul: reduce red meat, switch to white meat, and dramatically increase consumption of the “cabbage family”—including napa cabbage, bok choy, and Shanghai baby cabbage.
The man stuck to the regimen for three years. When he returned for a follow-up colonoscopy, the colorectal surgeon was astonished. Not only were there no new polyps, but the lining of his colon appeared “pink and tender, with no abnormalities at all.” His hypertension, constipation, and halitosis had also resolved.
Why Cabbage Works: The ‘King of Vegetables’
Cabbage has long been dubbed the “king of a hundred vegetables” in traditional Chinese nutrition and is listed by the American Institute for Cancer Research among the top 30 cancer-preventive foods. Dr. Hung attributes its effects to three key compounds:
- Isothiocyanates – sulfur-containing compounds shown to inhibit cancer cell growth
- Vitamin C – a potent antioxidant that helps the body eliminate heavy metals and free radicals
- Dietary fiber – which promotes regular bowel movements and reduces the time harmful substances stay in the colon
Gastroenterologist Dr. Wang Wei-Ti, who also appeared on the program, added that cabbage is rich in quercetin, selenium, and zinc—micronutrients and phytochemicals that work together to neutralize free radicals linked to aging and cancer.
8 Key Health Benefits of the Cabbage Family
According to the doctors, regularly eating cabbage-family vegetables can:
- Help prevent multiple cancers, especially colorectal cancers
- Support the body’s natural detoxification processes
- Relieve chronic constipation
- Strengthen the immune system
- Protect heart health
- Slow skin aging
- Increase satiety and aid weight management
- Promote dental and bone strength
Broader Implications for Hong Kong
With colorectal cancer claiming nearly 2,300 deaths annually in Hong Kong, experts emphasize that while no single food guarantees prevention, dietary patterns matter. The case of the bank manager serves as a practical example: polyp removal combined with a sustained increase in cabbage-family vegetables and reduced red meat intake can dramatically lower recurrence risk.
Dr. Hung stresses that consistent lifestyle change—not supplements—was the turning point. He recommends incorporating at least one serving of cabbage or related greens into daily meals, whether raw, lightly steamed, or stir-fried.
Note: Individual health conditions vary. Readers are advised to consult a medical professional before making significant dietary changes, especially if they have a history of polyps or colorectal cancer.