A recent study suggests that men who consume high levels of zinc in their diets may have a reduced risk of death from prostate cancer.
Zinc is essential for the function of over 300 enzymes and many biological processes. It also plays a vital role in immune system maintenance, including the regulation of natural killer cells. Zinc has recently gained much attention for its potential to treat the common cold; however, clinical evidence remains unclear.
In the recent study, researchers sought to evaluate the potential link between zinc intake and prostate cancer survival. Self-administered nutrition questionnaires were analyzed for 525 men diagnosed with prostate cancer. Zinc intake was then calculated from nutrient databases, and its association with mortality risk was analyzed, factoring for disease stage at diagnosis.
After an average of 6.4 years, 42 percent of the men died from prostate cancer and 49 percent died from other causes. High dietary zinc intake was associated with a significantly reduced risk of death from prostate cancer. The link was notably stronger for men with localized tumors.
The authors concluded that high dietary zinc intake may reduce the risk of death from prostate cancer; however, additional research is necessary to further evaluate these findings.
For more information about zinc, please visit Natural Standard's Foods, Herbs & Supplements database.
References
1.Epstein MM, Kasperzyk JL, Andrén O, et al. Dietary zinc and prostate cancer survival in a Swedish cohort. Am J Clin Nutr. 2011 Mar;93(3):586-93. View Abstract
2.Natural Standard: The Authority on Integrative Medicine. www.naturalstandard.com
http://www.depsyl.com/
http://back2basicnutrition.com/
http://bionutritionalresearch.olhblogspace.com/
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