In theAsia Pacific Journal of Clinical Oncology研究中,833名患者结直肠癌的学习hed to 833 healthy controls by age, sex and residence area. Demographic and dietary information were collected via face-to-face interviews using a validated food frequency questionnaire.

The odds of having colorectal cancer was 79 percent lower in adults who consumed high amounts of allium vegetable compared with those who consumed low amounts.

"It is worth noting that in our research, there seems to be a trend: the greater the amount of allium vegetables, the better the protection," said senior author Dr. Zhi Li, of the First Hospital of China Medical University. "In general, the present findings shed light on the primary prevention of colorectal cancer through lifestyle intervention, which deserves further in-depth explorations."