Navigation Links
Prostate cancers are fewer, smaller on walnut-enriched diet

SAN ANTONIO (July 16, 2013) New research from the School of Medicine at The University of Texas Health Science Center San Antonio indicates that eating a modest amount of walnuts can protect against prostate cancer.

The study is described in the journal Cancer Investigation. Researchers at the UT Health Science Center injected immune-deficient mice with human prostate cancer cells. Within three to four weeks, tumors typically start to grow in a large number of these mice. The study asked whether a walnut-enriched diet versus a non-walnut diet would be associated with reduced cancer formation. A previous study found this to be true for breast cancer.


Three of 16 mice (18 percent) eating the walnut-enriched diet developed prostate tumors, compared with 14 of 32 mice (44 percent) on the non-walnut control diet. Also of note, the final average tumor size in the walnut-fed animals was roughly one-fourth the average size of the prostate tumors that developed in the mice eating the control diet.

"We found the results to be stunning because there were so few tumors in animals consuming the walnuts and these tumors grew much more slowly than in the other animals," said study senior author Russel Reiter, Ph.D., professor of cellular and structural biology at the Health Science Center. "We were absolutely surprised by how highly effective the walnut diet was in terms of inhibition of human prostate cancer."

Percentage of diet

The mice consumed a diet typically used in animal studies, except with the addition of a small amount of walnuts pulverized into a fine powder to prevent the rodents from only eating the walnuts. "The walnut portion was not a large percentage of the diet," Dr. Reiter said. "It was the equivalent to a human eating about 2 ounces, or two handfuls, a day, which is not a lot of walnuts."

Study co-author W. Elaine Hardman, Ph.D., of the Joan C. Edwards School of Medicine at Marshall University, published a study in 2011 that showed fewer and smaller tumors among walnut-fed mice injected with human breast cancer cells. Dr. Hardman formerly was a faculty member at the Health Science Center.

"The data to date suggest that using walnuts on a regular basis in the diet may be beneficial to defer, prevent or delay some types of cancer, including breast and prostate," Dr. Reiter said.


Contact: Will Sansom
University of Texas Health Science Center at San Antonio

Related medicine news :

1. Rancid Fish Oil Capsules May Partly Explain Omega-3 and Prostate Cancer Findings, Suggest Co-founders of Omega3 Innovations
2. Active surveillance may miss aggressive prostate cancers in black men
3. New study on popular prostate cancer protein provides insight into disease progression
4. Moffitt Cancer Center researchers identify genetic variants predicting aggressive prostate cancers
5. Observation is safe, cost-saving in low-risk prostate cancer
6. New medication treats drug-resistant prostate cancer in the laboratory
7. Exposure to BPA in developing prostate increases risk of later cancer
8. Exposure to low doses of BPA linked to increased risk of prostate cancer in human stem cells
9. New Study Links Poor Sleep and Prostate Cancer
10. Molecular imaging enlists prostate enzyme to detect metastases
11. PET/MR effective for imaging recurrent prostate cancer
Post Your Comments:
(Date:11/26/2015)... ... 26, 2015 , ... Somu Sivaramakrishnan announced today that he ... now offers travelers, value and care based Travel Services, including exclusive pricing on ... as, cabin upgrades and special amenities such as, shore excursions, discounted fares, travel ...
(Date:11/26/2015)... ... , ... PRMA Plastic Surgery is updating their record books yet again with ... flap breast reconstruction surgery! , “What an accomplishment for the PRMA team, says ... it’s an honor to have served all of these women.” , PRMA is one ...
(Date:11/26/2015)... Karnataka (PRWEB) , ... November ... ... innovative online platform for mental health and wellness consultation, has collaborated with ... to holistically address their reader’s queries on topics on mental and emotional ...
(Date:11/25/2015)... Indianapolis, IN (PRWEB) , ... November 25, 2015 ... ... clean water accessible for all, Water For Empowerment ™ attracts volunteers together ... on clean water by empowering women as key stakeholders in the process. The ...
(Date:11/25/2015)... ... November 25, 2015 , ... ... recognized once again for its stellar workplace culture with the company’s Cincinnati office ... , Medical Solutions’ Cincinnati office was named a finalist in Cincinnati Business Courier’s ...
Breaking Medicine News(10 mins):
(Date:11/26/2015)... 26, 2015 Research and Markets ( ) ... Pacemaker Market Outlook to 2019 - Rise in Cardiac Disorders ... report to their offering. Boston ... Boston scientific and others. --> ... Biotronik, Boston scientific and others. ...
(Date:11/26/2015)... November 26, 2015 ... the "2016 Future Horizons and Growth ... Testing Market: Supplier Shares, Country Segment Forecasts, ... their offering. --> ) ... "2016 Future Horizons and Growth Strategies in ...
(Date:11/26/2015)... November 26, 2015 ... "Self Administration of High Viscosity Drugs" report ... has announced the addition of the "Self ... their offering. --> Research and Markets ... the "Self Administration of High Viscosity Drugs" ...
Breaking Medicine Technology: