A 50-year-old banking executive in Taiwan eliminated three precancerous colon polyps and prevented recurrence over three years by dramatically increasing his intake of cabbage—a humble vegetable celebrated by nutritionists as the “king of a hundred greens.”
The case, recently shared by Taiwanese nephrologist Dr. Hung Yung-hsiang on the health program “Healthy Good Life,” offers compelling evidence that dietary intervention can play a decisive role in reversing precancerous conditions in the colon. For a city like Hong Kong, where colorectal cancer ranks as the second deadliest cancer, the story carries urgent relevance.
A High-Stress Lifestyle Leads to Three Precancerous Polyps
The patient, a bank manager in his mid-50s, led a life familiar to many urban professionals. Crushing work deadlines left little room for balanced meals. He favored red meat, consumed vegetables sparingly, and struggled with high blood pressure, chronic constipation, and persistent bad breath.
During a routine health screening, doctors discovered three adenomatous polyps in his colon—growths classified as “precancerous lesions.” If left untreated, these polyps carry a significant risk of progressing into colorectal cancer. He underwent surgery to remove them immediately.
But the fear of recurrence lingered. When he asked Dr. Hung about preventative supplements, the physician offered a simpler, far more accessible solution: overhaul his diet. The prescription? Cut red meat, switch to white meat, and eat generous portions of the “cabbage family”—including napa cabbage, black-leaf cabbage, and baby bok choy—every single day.
Three Years Later: A “Pink, Beautiful” Colon
The manager committed to this regimen for three full years. When he returned for a follow-up colonoscopy, the results stunned his gastroenterologist. Not only had the polyps not returned, but the specialist described his colon as “pink, tender, and exceptionally beautiful—completely clean, with no growths whatsoever.”
His accompanying health issues—hypertension, constipation, and halitosis—had also vanished.
Why Cabbage Earns the Title “King of a Hundred Greens”
Dr. Hung explained that cabbage holds a revered place in nutritional science. The American Cancer Society lists it among the top 30 cancer-preventing foods worldwide. Its power lies in three key compounds:
- Isothiocyanates: Potent anti-cancer agents that help neutralize carcinogens.
- Vitamin C: A powerful antioxidant that supports immune function and detoxification.
- Dietary fiber: Essential for regular bowel movements and waste elimination.
According to Dr. Hung, the cabbage family delivers eight major health benefits: cancer prevention, enhanced detoxification (vitamin C and high water content help flush heavy metals), constipation relief, immune system support, heart protection, anti-aging effects, increased satiety, and stronger teeth and bones.
Expert Insights: Antioxidants Build a Cancer-Proof Barrier
Gastroenterologist Dr. Wang Wei-ti, who also appeared on the program, elaborated on cabbage’s protective mechanisms. Beyond vitamin C, cabbage is rich in quercetin, selenium, and zinc—trace elements and phytochemicals that work synergistically to neutralize free radicals. These unstable molecules are directly linked to aging and cancer development.
“The combination of these nutrients creates a powerful antioxidant shield,” Dr. Wang noted. “And the high fiber content promotes intestinal motility, helping the body eliminate waste efficiently. This forms a robust defense line against colorectal cancer.”
What This Means for Hong Kong
With colorectal cancer claiming hundreds of lives annually in Hong Kong, this case underscores a crucial message: affordable, everyday foods can be potent preventive medicine. Cabbage is abundant in local wet markets and supermarkets year-round, costing just a few dollars per head.
For those at risk—especially individuals over 50, those with family histories of colorectal cancer, or anyone diagnosed with adenomatous polyps—the takeaway is clear. Surgical removal of polyps is critical, but sustained dietary change may be equally important in preventing recurrence.
Experts recommend incorporating cabbage-family vegetables into daily meals: stir-fried, in soups, or as a simple side dish. A typical serving is one to two cups cooked per day.
A Note of Caution
While this case is inspiring, doctors emphasize that individual results may vary. Anyone with concerns about colorectal health should consult a medical professional. This information is for educational purposes and does not replace personalized medical advice.
For further reading, explore our guides on reducing visceral fat through diet, natural blood pressure management, and the gut-healing properties of traditional Chinese soups.