Eat Plants, Beat Cancer: New Study Links Vegetables To Lower Prostate Cancer Risks

Eating Healthy Vegan Food

Research from UC San Francisco reveals that men with localized prostate cancer can lower the risk of disease progression by 47% by adopting a plant-based diet rich in fruits, vegetables, nuts, and olive oil. Over 2,000 participants showed that increased consumption of plant-based foods and reduced intake of animal products could significantly enhance health outcomes and potentially delay or prevent the advancement of prostate cancer.

Increasing daily consumption of fruits, nuts, and vegetables, while reducing intake of animal products, is linked to a nearly 50% decrease in the risk of prostate cancer progression.

According to new research from UC San Francisco, men with prostate cancer may significantly lower the risk of their disease progressing by increasing their intake of fruits, vegetables, nuts, and olive oil.

A study of more than 2,000 men with localized prostate cancer found that eating a primarily plant-based diet was associated with a 47% lower risk that their cancer would progress, compared with those who consumed the most animal products.

This amounted to eating just one or two more servings per day of healthy foods, particularly vegetables, fruits, and whole grains, while eating fewer animal products, like dairy and meat. The study followed the men, whose median age was 65 years old, over time to see how dietary factors affected the progression of their cancer.

Plant-based diets include fruits, vegetables, whole grains, nuts, legumes, vegetable oils, tea and coffee. The researchers measured consumption using a plant-based index and compared the men who scored in the highest 20% to those who scored in the lowest 20%.

“These results could guide people to make better, more healthful choices across their whole diet, rather than adding or removing select foods,” said Vivian N. Liu, formerly lead clinical research coordinator at the UCSF Osher Center for Integrative Health and first author of the study, which was published in JAMA Network Open.

“Progressing to advanced disease is one of many pivotal concerns among patients with prostate cancer, their family, caregivers, and physicians,” she said. “This adds to numerous other health benefits associated with consuming a primarily plant-based diet, such as a reduction in diabetes, cardiovascular disease, and overall mortality.”

Antioxidants and Anti-Inflammatory Compounds

Plant-based diets are becoming increasingly popular in the United States, and evidence is accumulating that they can be beneficial to patients with prostate cancer, the most common cancer among men in the country after non-melanoma skin cancer.

Fruits and vegetables contain antioxidants, as well as anti-inflammatory compounds that have been shown to protect against prostate cancer, and prior research has consistently demonstrated the importance of dietary factors to overall health and well-being.

“Making small changes in one’s diet each day is beneficial,” said senior author Stacey A. Kenfield, ScD, a UCSF professor of urology and the Helen Diller Family Chair in Population Science for Urologic Cancer. “Greater consumption of plant-based food after a prostate cancer diagnosis has also recently been associated with better quality of life, including sexual function, urinary function, and vitality, so it’s a win-win on both levels.”

Reference: “Plant-Based Diets and Disease Progression in Men With Prostate Cancer” by Vivian N. Liu, Erin L. Van Blarigan, Li Zhang, Rebecca E. Graff, Stacy Loeb, Crystal S. Langlais, Janet E. Cowan, Peter R. Carroll, June M. Chan and Stacey A. Kenfield, 1 May 2024, JAMA Network Open.
DOI: 10.1001/jamanetworkopen.2024.9053

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