Green vegetables vital for breast cancer patients
Women diagnosed with breast cancer are more likely to survive if they eat up their greens, a study suggests. A Chinese study has found a link between higher consumption of cruciferous vegetables such as greens, cabbage and broccoli, and reduced breast cancer death rates.
Researchers followed the progress of almost 5,000 women for around five years after they were diagnosed with breast cancer, Daily Mail reported. They found that the more cruciferous vegetables women ate during the first three years after diagnosis, the less likely they were to die.
As consumption increased, the chances of dying from breast cancer fell by between 22 percent and 62 percent and from all causes by between 27 percent and 62 percent.
During the study period, 587 women died, 496 from breast cancer, the Mail said. The researchers pointed out that cruciferous vegetable consumption habits differed between China and the West.
“Commonly consumed cruciferous vegetables in China include turnips, Chinese cabbage/bok choy and greens, while broccoli and brussels sprouts are the more commonly consumed cruciferous vegetables in the US and other Western countries,” said study leader Sara Nechuta, from Vanderbilt University in Nashville, US.
Chinese women who ate cabbage, broccoli and leafy greens saw improved survival rates after breast cancer than women who did not eat these cruciferous vegetables, said a US study presented on Tuesday.
The findings came from data on 4,886 Chinese breast cancer survivors age 20-75 who were diagnosed with stage one to stage four breast cancer from 2002 to 2006 and who were part of the Shanghai Breast Cancer Survival study.
Women who ate more cruciferous vegetables over the 36 months following their diagnosis saw their risk of dying from any cause decrease by 27 percent to 62 percent compared to women who reporting eating little or none of these veggies.
The risk of dying of breast cancer decreased by 22 to 62 percent for the cruciferous veggie eaters, and their chance of experiencing a recurrence of breast cancer dropped by 21 to 35 percent.
Sarah Nechuta, a postdoctoral research fellow at Vanderbilt University in Nashville, Tennessee, said the findings suggest breast cancer survivors “may consider increasing intake of cruciferous vegetables, such as greens, cabbage, cauliflower and broccoli, as part of a healthy diet.” Nechuta, who presented the study at the American Association for Cancer Research meeting in Chicago, pointed out that diets among Chinese and Western women tend to vary.
“Commonly consumed cruciferous vegetables in China include turnips, Chinese cabbage/bok choy and greens, while broccoli and brussels sprouts are the more commonly consumed cruciferous vegetables in the United States and other Western countries,” she said.
“Second, the amount of intake among Chinese women is much higher than that of US women.”
Nechuta said future research could focus on the role of the bioactive compounds in cruciferous vegetables — namely isothiocyanates and indoles — and how varying doses may have an effect on cancer.
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