The Women’s Health Initiative (WHI) clinical trial of dietary modification in 49000 women with no history of breast cancer, reported that the women who followed balanced diet which is low in fat and includes grains, fruit and vegetables had a 21% lower risk of death from breast cancer than women who continue their normal diet that was higher in fat.
This is the first randomized clinical trial to show that diet can affect the risk of death from breast cancer.
The study results will be resented in ASCO Annual Meeting on May 31 – June 4, 2019, at Chicago
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Nutrition and diet are some major and most important factors that can prevent the medical issue in America today – obesity.
Obesity cases have been increased dramatically in past few decades and if this continues increasing in that rate over the next 20 years, it is estimated that obesity can cause 500,000 additional new cases of cancer each year alone in the United States. 1
Although not specifically testing weight loss intervention, the WHI finding help in advancing the understanding of the diet in the complex issue and reducing morality
Key findings factors
- Most women in a balanced diet (low-fat) group reduced their daily fat consumption to about 25% and additional also increase their fruit and vegetable intake. 2
- Among patients who continue their balanced diet, there was a 3% weight loss. Although according to researcher weight loss did not affect the risk of death. 3
This trail followed participant of median age 19.6 and 3,374 cases of breast cancer diagnosed between 1993 to 2013.
- There was a 15% lower risk of death from any cause after breast cancer in the low-fat diet group.
- There was 21% lower the risk of death only from breast cancer in the low-fat diet group.
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Researchers have also conducted a study of the same dietary modification in women with poor metabolic factors. In the U.S today there are almost 5 million women with poor metabolic function and are at 3 times the risk of dying from breast cancer than women with normal metabolic function.
Researchers have noted that uptake of a balanced diet could lead to a drastic reduction in death from breast cancer and also saving big health care cost.
References
ASCO 2018 Cancer Opinions Survey “https://www.asco.org/sites/new-www.asco.org/files/content-files/research-and-progress/documents/2018-NCOS-Results.pdf”
Nine Research Priorities to Accelerate Progress Against Cancer “https://www.asco.org/research-progress/reports-studies/clinical-cancer-advances-2019/nine-research-priorities-accelerate”