Polyunsaturated fatty acids promote cancer growth

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Polyunsaturated Fatty Acids Cause Cancer(NaturalHealth365) There is an enormous amount of scientific data documenting the connection between polyunsaturated fatty acids (PUFAs) and the development of cancer plus many other degenerative diseases. Promoting the consumption of vegetable oils, loaded with PUFAs, as part of a healthy diet is not only unscientific – it’s dangerously unethical.

Animal studies clearly indicate that excess intake of polyunsaturated vegetable oils – found in most processed foods – inhibit cognitive function, cause liver toxicity; and depress our immune system – which leads to cancer.

Warning: PUFAs trigger cancer cell growth

Ray Peat, Ph.D. in biology from Oregon University once said, “be very careful with the unsaturated oils, such as safflower, corn, and cod liver oil: they destroy vitamin E and can cause cancer.”

Dr. Peat added, in a scientific paper, “cancer can’t occur, unless there are unsaturated oils in the diet.”

Back in the 1970s, Dr. Newsholme of Oxford University, England was one of the first to suggest that polyunsaturated fats suppress the immune system. He warned that ‘our diet includes immunosuppressive PUFAs – which make us prone to infection by bacteria and viruses.’ But, it’s how he discovered this fact which makes this information so compelling.

In the early days of kidney transplantation, doctors encountered a problem of tissue rejection – where the patients’ body destroyed the transplanted kidney(s). Back then, doctors found no better way of preventing organ rejection than giving patients linoleic acid – loaded with PUFAs – specifically designed to suppress the immune system.

A shocking discover about vegetable oils and cancer

The kidney transplant doctors were amazed to discover how quickly their patients developed cancer – some were up to 20 times more frequent than expected. Yet, despite this alarming statistic – conventional medicine (and nutritionists) continue to promote the ‘value’ of eating more PUFAs.

This, of course, ignores the fact that – in January 1980 – Oncology Times published a paper which revealed that mice fed PUFAs were more prone to develop melanoma. Again, in May 1980, the same publication carried a similar report from Oregon State University – which said that PUFAs fed to cancer-prone mice increased the numbers of cancers formed.

The connection between PUFAs and breast cancer

A Swedish study, published in January 1988, looked at 61,471 women – age 40 to 76 – and the relationship between different fats and breast cancer. This study found an inverse association with monounsaturated fat and a positive association with polyunsaturated fat.

Simply put, monounsaturated fats protected against breast cancer and polyunsaturated fats increased the risk of cancer. Saturated fats were neutral.

Chemically speaking, monounsaturated and saturated fats are more stable than PUFAs. In other words, PUFAs get spoiled (rancid) more easily – which creates more free radicals and promotes cancer cell growth.

Deceptive food marketing promotes premature aging and death

We, as humans, have been evolving for a very long time – but industrial (processed) foods are relatively new. In reality, we didn’t start producing vegetable oils until about a hundred years ago.

Major food producers – along with their fancy marketing agencies – would have us believe that unsaturated oils help to prevent degenerative disease – despite the overwhelming scientific data to the contrary.

Every cracker, cake, cookie, salad dressing, cereal, frozen meal and candy – sold today – is marketed as ‘natural’ – yet these very same products are loaded with heavily processed vegetable oils, refined flours and added sugars. It’s no wonder we see such an increase in cancer and heart disease rates.

The solution is simple. To avoid poor health – don’t buy any products laced with polyunsaturated vegetable oils. If you love the taste of fat – and who doesn’t – try adding a small amount of fresh olives, sesame seeds, coconut oil, olive oil, walnuts, avocados or hemp seeds (and hemp oil) to your diet.

If you’re looking for a healthy saturated fat option – try grass-fed beef or raw butter. Remember the value of an old saying, less is more – especially when it comes to the processing of our food supply.

Jonathan LandsmanAbout the author: Jonathan Landsman is the host of NaturalHealth365.com, the NaturalNews Talk Hour – a free, weekly health show and the NaturalNews Inner Circle – a monthly subscription to the brightest minds in natural health and healing.

Reaching hundreds of thousands of people, worldwide, as a personal health consultant, writer and radio talk show host – Jonathan has been educating the public on the health benefits of an organic (non-GMO) diet along with high-quality supplementation and healthy lifestyle habits including exercise and meditation.


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  • Does this mean that if it is natural polyunsaturated fats found inside a natural food which has not been extracted (i.e. eating the food raw) is ok? Its only becomes dangerous once extracted and exposed to air?

    • Karen Scribner

      Real food is always good.

    • Eileen

      I wonder if part of the problem is that once the oils are processed the oils go bad quickly which is why they are unhealthy??

  • Jennifer Symonds

    I’ve known this for a long time: the only oils I use are olive, coconut, flax & hemp; however I do use cold pressed sunflower oil for “oil pulling” as it’s a nice light oil & easier to use for that purpose (+ it’s easier to dispose of down the kitchen sink!)

    • Karen Scribner

      I guess you don’t live in a city with the ” cease the grease” campaign or no FOG ( fats, oils, grease) down the drain. Fats in drains are causing an epidemic of sewer pipe and plant problems. There are blobs of grease as big as buses under cities that take months to cut up and remove from the sewers. If you have a septic tank you should not put any grease at all in it, not even rinse fry pans. Wipe the grease with paper and throw it in the trash.

      • Eileen

        Never thought of this.

      • Jennifer Symonds

        I don’t bung spent oils down the drain or the loo, what doesn’t get consumed I wipe clean wit an old rag & bin it, & anyway animal fats are the worst culprit for mucking up the sewers (these i do not consume). PS I live in large & expanding seaside town on East coat if England (UK)

  • Ty Shlackman

    This article is misleading. Omega 3 fatty acids such as DHA, EPA, and alpha linolenic acid are polyunsaturated fatty acids and they are anti-inflammatory. Also the Omega-6 fatty acid Gamma Linolenic Acid is also anti-inflammatory. Only those polyunsaturated fatty acids which are inflammatory such as arachidonic acid and alpha linoleic acid are harmful in excess amounts.