More People Are Taking Vitamins; But Research Shows Little To No Protective Benefits For Urothelial Cancer
Main Category: Prostate / Prostate CancerAlso Included In: Urology / Nephrology; Complementary Medicine / Alternative Medicine; Cancer / Oncology
Article Date: 01 Jun 2010 - 1:00 PDT
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An increasing number of men may be taking vitamins, but new data indicate that these supplements may not provide preventive effects against urothelial and prostate cancers. Research from two new studies will be presented during the 105th Annual Scientific Meeting of the American Urological Association (AUA) in San Francisco.
In the first study, researchers from the University of Colorado examined more than 10,000 questionnaires from men taking part in the Prostate Cancer Awareness Week (PCAW) screenings. Overall, 62 percent of respondents reported taking at least one supplement while 48 percent indicated they were currently taking three or more supplements. Researchers noted that supplement use increased significantly with age. Although multivitamins (46 percent) were the most commonly reported supplement, fish oil (27 percent) and vitamin C (26 percent) were also very popular. "The high prevalence of supplement use reported in this study is of potential concern," the authors note. "Previous studies suggest an association between multivitamin use and increased risk of advanced prostate cancer."
Researchers in Washington conducted a separate study of 77,719 state residents, aged 50-76 years old, who completed a questionnaire from 2000-2002, and were followed for the next five years through the Surveillance, Epidemiology, and End Results (SEER) cancer registry. Overall, 330 residents were found to have developed urothelial cell carcinoma of the bladder (UC). In a multivariate analysis, the researchers found that vitamin use provided no protective effect on UC.
"It's really disturbing to think that so many people are taking vitamins, assuming that these pills are providing some sort of health benefits," said session moderator Mark A. Moyad, MD. "The reality is that very little scientific research has proven vitamins to be effective in protecting against cancer and some studies have even shown that taking certain vitamins could increase one's risk of cancer."
Source
American Urological Association
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13 Feb. 2012. <http://www.medicalnewstoday.com/releases/190414.php>
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Which Type Of Vitamins Are Not Beneficial
posted by Samantha Driver on 9 Jun 2010 at 3:03 amFrom the exerpt I read on this forum, it seems that the types of vitamins (brands) hasn't been explored. Sure, some multivitamins are full of fillers and other nasties, while other studies (cannot name them off the top of my head) have shown that certain brands of multivitamins and other supplements don't even contain what is outlined on the bottle, or if they do, it's not in the quantities listed, and it's of an inferior quality and not readily absorbed by the body. I am not trying to say that the authors are incorrect in what they are saying, some supplements 'may' cause various illnesses, however we shouldn't tar all supplements with the same brush. There are supplements out there that are totally organic and have no nasties in them and the consumer can relax in the knowledge that they are getting what's listed on the bottle. I believe that it's the additives in some brands of supplements that can cause problems and I believe that much more research needs to be done in this area before anyone should make broad statements saying that multivitamins are linked to cancer etc. Feel free to respond to this.... I'd love to have a debate on this but if not, it's just my opinion. Have a great day :-)
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