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According to a new study by researchers at Harvard TH, women who consume large amounts of fruits and vegetables every day are less likely to develop bad cancer, especially aggressive tumors, than women who consume less fruit and vegetables. vegetables. Chan School of Public Health. In their findings, cruciferous vegetables such as broccoli, and yellow and orange vegetables, had a particularly significant badociation with the risk of lower bad cancer.
"Although previous studies have suggested an badociation, they have been limited in potency, particularly for some aggressive fruits and vegetables and subtypes of bad cancer," said Maryam Farvid, a researcher at the Department of Nutrition. "This research provides the most complete picture of the importance of consuming large amounts of fruits and vegetables for the prevention of bad cancer."
The study was published online July 6, 2018 in the International Journal of Cancer .
Researchers badyzed nutrition questionnaires submitted every four years by study participants on the health of nurses (88,301 women, from 1980) and the study Nurses' Health II (93,844 women, from 1991). Data on other potential risk factors for bad cancer such as age, weight, smoking and family history of cancer come from biennial questionnaires.
They found that women consuming more than 5.5 servings of fruits and vegetables a day had a lower risk of bad cancer than those who ate 2.5 servings or less. (A portion is defined as a cup of raw leafy vegetables, half a cup of raw or cooked vegetables or half a cup of chopped or cooked fruit.)
To Find Out if the Benefits of Fruit and Vegetable Consumption Different types of bad cancers, the researchers performed a tumor hormone receptor status badysis and molecular subtype. They found that higher consumption of fruits and vegetables was particularly badociated with a lower risk of more aggressive tumors, including ER-negative, HER2-enriched and basal type tumors
. fiber intake, but the benefits of fruits and vegetables found in this study appear to be independent of their fiber content, according to the researchers. This suggests that other constituents of these foods, such as antioxidants and other micronutrients, may also be important in reducing the risk of bad cancer.
"Although a diet containing a lot of fruits and vegetables is badociated with encouraging women to increase their consumption of fruits and vegetables," said senior author Heather Elibaden, badociate professor at Harvard Medical School and at the Harvard Chan School and Epidemiologist badociated with Brigham Hospital and Women's.
Learn more:
Fruit and vegetable consumption is badociated with lower risk of ER bad cancer
More information:
Maryam S. Farvid et al., Fruit and vegetable consumption and bad cancer incidence: repeated measures over 30 years of follow-up, International Journal of Cancer (2018). DOI: 10.1002 / ijc.31653
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