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Terry has answered very well on the debates that have been around.
Strange; I recall flax oil was now thought not to help cholesterol. (May have come from Wiki on that point.)
Flaxseed oil, canola oil, and soybean oils etc. contain high amounts of ALA.
"According to Prostate Forum, several labs have found that ALA is one of the most powerful growth stimulants for human prostate cancer cells.
The Prostate Forum has recommended against the use of flax oil by men with prostate cancer. Since flax oil is the richest readily available food source of ALA, the reasoning goes, this oil should cause the most prostate cancer.
Sources of ALA used Studies that support One-Sided View The ‘ALA’ in population (epidemiologic) studies comes from two main sources: vegetable oil, and red meat animal products. Both were shown to correlate with similar increases in prostate cancer."
Godley PA et al. Biomarkers of Essential Fatty Acid Consumption and Risk of Prostatic Carcinoma. Cancer Epidemiology, Biomarkers & Prevention: A Publication of the American Association for Cancer Research, Vol. 5, p. 889-95, November 1996.
Giovannucci E et al. A Prospective Study of Dietary Fat and Risk of Prostate Cancer. Journal of the National Cancer Institute, Vol. 85, No. 19, October 6, 1993, p. 1571 - 1579.
Gann PH et al. Prospective Study of Plasma Fatty Acids and Risk of Prostate Cancer. Journal of the National Cancer Institute, Vol. 86, No. 4, February 16, 1994, p. 281-6.
De Stefani E et al Alpha-linolenic acid and risk of prostate cancer: a case control study in Uruguay. Cancer Epidemiol Biomarkers Prev 2000 Mar;9(3):335-8.
Harvei S et al. Prediagnostic Levels of Fatty Acids in Serum Phospholipids: n-3 and n-6 Fatty Acids and the Risk of Prostate Cancer. International Journal of Cancer, Vol. 71, p. 545-51, 1997.
Newcomer LM et al The association of fatty acids with prostate cancer risk. Prostate 2001 Jun 1;47(4):262-8.
Pandalai PK et al. The Effects of Omega-3 and Omega-6 Fatty Acids on in Vitro Prostate Cancer Growth. Anticancer Research, Vol. 16, p. 815-20, 1996.
My main concern is that flax oil still contains a relatively high amount of Omega 6, whilst fish oil gives us the benefit of higher O 3 ratios.
Is flaxseed/oil a natural food ? I think not.
