Colon Cancer: Vegetarian Diet
Vegetarian Diet Info
Colon Cancer & Vegetarian Diet
Information on Colon-Rectal Cancers, Fiber, Bile Acids for Vegetarians and Vegans

Vegetarian Diet
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Colon, Rectal Cancer and Vegetarian Diet

  • Research shows that vegetarians have lower rates of colon cancer than non-vegetarians, and that incidence of colon and rectal cancer has been strongly linked to the consumption of meat.
  • In a study of over 88 000 women aged 34 to 59 years, women eating red meat daily ran over twice the risk of developing colon cancer than women eating red meat less than once a month.
  • Exactly how a vegetarian diet is protective against colon cancer is unclear and a great deal of research is being carried out in this area. It has been suggested that secondary bile acids may be a causal factor, and research has shown that vegetarians have lower levels of secondary bile acids than non-vegetarians.
  • The role of dietary fibre in prevention of colon cancer may also be important. Other dietary components associated with high fibre foods, such as folate, have also been implicated as having protective effects.
  • Other research shows that the risk of distal stomach adenocarcinoma is positively associated with red meat intake.
  • Vegetarian diets also usually include high levels of antioxidant nutrients. Mounting evidence suggests antioxidants exert a considerable protective effect against both cancer and heart disease.

Sources include:

Armstrong, B. (1977) Blood pressure in Seventh Day Adventist vegetarians. Am Jnl Epidemiology v.105 p.444-9

Chen, H et al. (2002) Dietary patterns and adenocarcinoma of the esophagus and distal stomach. Am Jnl Clinical Nutrition v 75, no. 1, p137-44.

Claude-Chang, J et al. (1992) Mortality pattern of German vegetarians after 11 years of follow-up. Epidemiology v.3 (5) p.395-401.

Johansson, G et al. (1990) Shift from a mixed diet to a lactovegetarian diet: influence on some cancer-associated intestinal bacterial enzyme activities. Nutrition & Cancer v.14 p.239-46.

Phillips, R L et al. (1980) Mortality among California Seventh Day Adventists for selected cancer sites. Jnl National Cancer Institute v.65 p.1097-107.

Rao, P N et al. (1989) Epidemiology of oesophageal cancer. Seminars in Surgery & Oncology v.5 (5) p.351-4.

Singh, P & Fraser, G. (1998) Dietary Risk Factors for Colon Cancer ina Low-risk Population. American Journal of Epidemiology v.148 (8) p761-774.

Turjiman, N et al. (1984) Diet, nutrition and metabolism in populations at high and low risk for colon cancer: metabolism of bile acids.
Am Jnl Clinical Nutrition v.4 p.937-41.

Willett, W C et al. (1990) Relation of meat, fat and fibre intake to the risk of colon cancer in a prospective study among women. New England Jnl of Medicine v.323 p.1664-72.

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Vegetarian Diet Information

Vegetarianism is a healthy option and vegetarian diets can be perfectly healthy eating plans but care should be taken to ensure optimum nutrition. So, whether following an ovo-lacto or other type of vegetarian food plan, or vegan diet, for a healthy body and weight make it a balanced eating plan and take regular exercise. Always consult a doctor before beginning a weight loss diet or new fitness routine.
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