I’ve been contacted by a number of individuals who are alarmed at or confused by recent headlines proclaiming, "Study Confirms Fish Oils May Raise Prostate Cancer Risk”. The study is virtually worthless, but it is receiving a great deal of publicity from sources opposed to the use of nutritional supplementation.
Why do I consider the study meaningless? Because it says absolutely nothing about the relationship of fish oils to prostate cancer. What it does say is that those claiming to have discovered a link don’t understand the limits of their own research.
The investigators simply compared the level of omega-3 fatty acids in the blood of men known to have prostate cancer with those of a group of men who did not have prostate cancer. They made no attempt to determine whether the men with prostate cancer had been supplementing fish oil for a day, a week, a month, or a decade before the blood was drawn.
Having worked for over four decades with people in varying states of health I can attest to the fact that the sicker a person becomes the more likely he or she will decide to take one or more nutritional supplements. Because the benefits of omega-3 oils are well-documented, fish oils are one of the first supplements sick people turn to in an attempt to improve their health.
I don’t need to conduct a study to discover that people with a cancer diagnosis are more likely to be taking nutritional supplements than people who have not been told that they have cancer. I don’t need to do a scientific analysis to know that the more advanced the disease process becomes the more likely a person is to begin supplementation.
This is all that the research showed – men who know they have prostate cancer are more likely to supplement fish oils (and other nutrients) than men who do not. That does not mean that the fish oil supplements caused their cancer, no matter how hard the media tries to make it so.
Ironically, a well-documented article detailing the mechanisms by which omega-3 oils help prevent prostate cancer was published in May. Since it wasn’t controversial, it didn’t make the evening news or get multiple Internet posts. It’s available without charge at http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3676993/ if you care to check it out for yourself.
Since omega-3s are known to prevent prostate cancer don’t wait until it’s diagnosed to begin giving your body the support it needs. Your long-term health may depend upon it.
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