The Wall Street Journal reports that a vegetarian diet may be optimal for warding off the second most deadly cancer in the US.

The study included 770,000 participants and showed a 22% relative reduction in risk for bowel cancer and a 43% reduction for those who ate fish, as well. Although the relationship between fish and cancer reduction is unclear, the study found positive effects of decreased meat and increased vegetable intake on bowel cancer risk overall.

SOURCES: Michael Orlich, M.D., Ph.D., assistant professor, preventive medicine, Loma Linda University, Loma Linda, Calif.; Alfred Neugut, M.D., Ph.D., oncologist and epidemiologist, professor, Columbia University Medical Center, and co-director, Cancer Prevention Program, New York Presbyterian Hospital, New York City; David Bernstein, gastroenterologist, North Shore University Hospital, Manhasset, N.Y.; March 9, 2015, JAMA Internal Medicine, online

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