Many Years Young: Prostate Cancer: Six Things Men Should Know ...

(Science Daily) When it comes to prostate cancer, there's a lot of confusion about how to prevent it, find it early and the best way -- or even whether -- to treat it. Below are six common prostate cancer myths along with research-based information from scientists at Fred Hutchinson Cancer Research Center to help men separate fact from fiction?

Myth 1 -- Eating tomato-based products such as ketchup and red pasta sauce prevents prostate cancer. "The vast majority of studies show no association," said Alan Kristal, Dr.Ph? Myth 2 -- High testosterone levels increase the risk of prostate cancer. "This is a lovely hypothesis based on a very simplistic understanding of testosterone metabolism and its effect on prostate cancer. It is simply wrong," Kristal said? Myth 3 -- Fish oil (omega-3 fatty acids) decrease prostate cancer risk? [T]wo large, well-designed studies ? have shown that high blood levels of omega-3 fatty acids increase the odds of developing high-risk prostate cancer? Myth 4 -- Dietary supplements can prevent prostate cancer. Several large, randomized trials that have looked at the impact of dietary supplements on the risk of various cancers, including prostate, have shown either no effect or, much more troubling, they have shown significantly increased risk? Myth 5 -- We don't know which prostate cancers detected by PSA (prostate-specific antigen) screening need to be treated and which ones can be left alone. "Actually, we have a very good sense of which cancers have a very low risk of progression and which ones are highly likely to spread if left untreated," said biostatistician Ruth Etzioni, Ph.D? "For the majority of newly diagnosed cases of prostate cancer, giving initial clinical and biopsy information, we can get a very good idea of who should be treated and who is likely to benefit from deferring treatment." Myth 6 -- Only one in 50 men diagnosed with PSA screening benefits from treatment. "This number, which was released as a preliminary result from the European Randomized Study of Prostate Cancer Screening, is simply incorrect," Etzioni said? The 50-to-one ratio is based on short-term follow-up and "grossly underestimates" the lives likely to be saved by screening over the long term and overestimates the number who are overdiagnosed.

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Source: http://www.manyyearsyoung.com/2012/08/prostate-cancer-six-things-men-should.html

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