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i also supplement a gram of fishoil
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Yes, I think there is a big problem with the supplementation of Fish oil (Omega 3 derivatives ). I have seen plenty of positive reports on fish consumption but not so on fish oil .
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In the molecular distillation process, omega-3 fish oils are repeatedly raised in temperature to 200°C (390 °F) to concentrate the EPA and DHA and remove contaminants such as pesticides and heavy metals.
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The scientific calculation of Omega 6/3 ratio ( i must have posted this for like million times )
JAMA -- Effects of Omega-3 Fatty Acids on Cancer Risk: A Systematic Review, January 25, 2006, MacLean et al. 295 (4): 403 Quote:
The study on which this report is based is part of a larger systematic review of the medical literature regarding the effects of omega-3 fatty acid supplementation on both cancer incidence and cancer treatment in humans. Consequently, our initial search was broad. This report deals only with cancer incidence.
Identification of the Literature
We used electronic databases to identify published human studies about omega-3 fatty acids and cancer (complete search terms can be viewed in Appendix A.4 at http://www.ahrq.gov/downloads/pub/ev.../03cancer.pdf). We did not restrict by language. The following databases were searched: MEDLINE (1966 through the fifth week of October 2003), PREMEDLINE (Nov 7, 2003), EMBASE (1980 through the 44th week of 2003), Cochrane Central Register of Controlled Trials (third quarter of 2003), CAB Health (1973 through October 2003.
The study that assessed skin cancer found an increased risk (RR, 1.13; 95% CI, 1.01-1.27).(Reason : Skin contains 99.99999999999% Omega 6) No significant associations between omega-3 fatty acid consumption and cancer incidence were found for aerodigestive cancer, bladder cancer, lymphoma, ovarian cancer, pancreatic cancer, or stomach cancer.
Conclusions A large body of literature spanning numerous cohorts from many countries and with different demographic characteristics does not provide evidence to suggest a significant association between omega-3 fatty acids and cancer incidence. Dietary supplementation with omega-3 fatty acids is unlikely to prevent cancer.
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Dont expect the Fish oil industry to tell you this ... It's a big market out there