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Nutrition, Vitamins & Supplements for Seniors

My Aching Knees Seemed to Be Cured by Omega-3, New Study Says It May Be True

UK researchers find omega-3 fatty acids slow down osteoarthritis, at least in guinea pigs; I think it worked for me!

By Tucker Sutherland, editor,

Tucker Sutherland, editor, SeniorJournal.comOct. 17, 2011 – As an active – well very active – tennis player for many years, when I turned 70 I was worried my playing days might end due to my aching knees. I never took the court without wearing the latest in knee protection devices. Then, shortly after I increased my daily regimen of fish oil pills, the knee pain disappeared. I was convinced my joints were now better “oiled.” New research says there may be something to this.

New research has shown for the first time that omega-3 in fish oil could "substantially and significantly" reduce the signs and symptoms of osteoarthritis.

According to the University of Bristol study, funded by Arthritis Research UK and published in the journal Osteoarthritis and Cartilage, omega-3-rich diets fed to guinea pigs, which naturally develop osteoarthritis, reduced disease by 50 per cent compared to a standard diet.


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The research may be a major step forward in showing that omega-3 fatty acids, either sourced from fish oil or flax oil, can help to slow down the progression of osteoarthritis, or even prevent it occurring.

The researchers say it confirming anecdotal reports and "old wives' tales" about the benefits of fish oil for joint health. It also confirms my personal experience.

Lead researcher Dr John Tarlton, from the Matrix Biology Research group at the University of Bristol's School of Veterinary Sciences, said classic early signs of the condition, such as the degradation of collagen in cartilage and the loss of molecules that give it shock-absorbing properties, were both reduced with omega-3.

"Furthermore, there was strong evidence that omega-3 influences the biochemistry of the disease, and therefore not only helps prevent disease, but also slows its progression, potentially controlling established osteoarthritis," he said.

Dr Tarlton added, "The only way of being certain that the effects of omega-3 are as applicable to humans as demonstrated in guinea pigs is to apply omega-3 to humans. However, osteoarthritis in guinea pigs is perhaps the most appropriate model for spontaneous, naturally occurring osteoarthritis, and all of the evidence supports the use of omega-3 in human disease."

Medical research director of Arthritis Research UK, Professor Alan Silman, said: "The possibility that omega-3 fatty acids could prevent osteoarthritis from developing has been a tantalizing one. Some limited, previous research in dogs has suggested that we were a long way away from understanding the potential use in humans. However, this current research in guinea pigs is exciting as it brings us closer to understanding how omega-3 might fundamentally interfere with the osteoarthritis process, and that it could potentially be taken as a treatment."

On the back of the results of his study, Dr Tarlton said that following government guidelines on dietary intake of omega-3 fatty acids could be effective in reducing the burden of osteoarthritis. Fish oil is far more effective than the flax oil based supplement, but for vegetarians flax oil remains a viable alternative.

"Most diets in the developed world are lacking in omega-3, with modern diets having up to 30 times too much omega-6 and too little omega-3. Taking omega-3 will help redress this imbalance and may positively contribute to a range of other health problems such as heart disease and colitis."

Further studies are needed, according to the reserachers, to determine the influence of omega-3 fatty acids on established disease in guinea pigs, and to confirm the effects in human osteoarthritis.

Osteoarthritis affects millions people and is caused when the cartilage at the ends of bones wears away and the underlying bone thickens, leading to stiff, painful joints. Currently, there is no treatment recognized as effective in slowing down disease progression, and treatment is limited to pain relief and ultimately joint replacement.

As one human guinea pig, I think it worked for me and look forward to this study being advanced.

Please note, however, another recent study raised the risk of aggressive prostate cancer in older men with too much omega-3. See a link to this report in box on left.

A number of studies have linked Omega-3 with reducing the risk of AMD

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