Omega-3: What really are they, what’s omega-3’s usefulness?

Today we recognize these essential virtues thousand and fatty acids. According to numerous studies that are performed each year, the omega-3 would be both beneficial to the mood and the prevention of certain diseases. Zoom on the usefulness of these miraculous fats.

Is often mentioned the benefits of omega-3 for their effects on mood.Indeed, they would avoid depression. An experiment conducted by the National Institute of Agronomic Research (INRA) in rats showed mostly positive results. The animals, fed a diet rich in omega-3, had a keen eye and showed no particular stress. Their cells were more structured communication between neurons was regulated.

This work paves the way for a new treatment of people with depression and reinforces the benefits of a more balanced diet with omega-3. Nevertheless, it appears that no study has yet demonstrated the usefulness of dietary supplements of omega-3.


One of the major effects of omega-3 is anti-inflammatory aspect, if one believes a 2004 study on atopic individuals, especially asthmatics (genetic predisposition to allergies). Other studies have shown that children who received a balanced diet with omega-3 and omega-6 were much less allergic than others. The disproportion between omega-3 and omega-6, which we know today in our diet, increase the risk of allergies (intense itching …).


And if eating fatty fish at least once a week reduced the risk of dementia (34%) and more particularly the appearance of Alzheimer’s disease (31%)? This is what a study highlighted. The proper functioning of the brain depends entirely on the quality of fat that we consume. People who have a diet too rich omega-6 are more likely to become senile as those who consume omega-3 and fish in particular.


Cancer cells develop in the body when the ground is favorable. This can be created by chronic inflammation, nutrient deficiency, vitamins and minerals and increasing the ratio of omega-6 and -3 with a deficiency in omega-3.

A Mediterranean-style diet (rich in omega-3) decrease the risk of cancer compared to current Western diets. Several types of cancer are covered, such as breast, prostate and colon.


Protection against omega-3 disease or cardiovascular risk is now well known. The disproportion in our food intakes between omega-3 and omega-6 – increased omega-6 to omega-3 disadvantage – will result in arterial inflammation and hypercoagulable blood which can lead to the formation of a blood clot (thrombosis).

Therefore, based on the results of analysis of fatty acid profile, supplementation with omega-3 is sometimes necessary. Do not hesitate to talk with your doctor.


In its opinion of March 1, 2010, the handles (Agencenationale de sécurité sanitaire de l’alimentation, de l’environnement et du travail, ex-AFSSA) has reassessed the Recommended Dietary lipids (which include omega-3 and omega-6): they must reach 35-40% of total energy intake.


– Omega 3. Better Living and preserve his health, Dr. Dominique Rueff, ed. Youth.
– Long Life Strategy, Dr Dominique Rueff in collaboration with Maurice Nahon, ed. Youth.
– Cure, David Servan-Schreiber, ed. Robert Laffont.


– “Omega-3 brain function, behavior and mental health,” Sylvie and Pierre AstorgVancassel (INRA), “Scientific Letter No. 140” (January 2010), French Institute for Nutrition.

– “Study on the prevention of asthma in children: effects of 3 years of dietary modification of fatty acids on the one hand and the reduction of dust mites in the home on the other hand,” Jennifer K. Peat SeemaMihrshahi, et al., in “JACI” in October 2004, vol. 114, No. 4.

– “Breastfeeding, asthma, and atopic disease: an Epidemiological review of the literature”, Oddy WH, Peat JK, “J Hum Lact 2004”.

– “Fish, meat, and risk of dementia: cohort study”, P. Barberger-Gateau, L. Letenneur, V. Deschamps, K. Peres, JF Dartiques, S. Renaud, in “BMJ 2002”.

– “Polyunsatured fatty acids, antioxidants, and cognitive function in very old men”, Kalminj S. et al, in “American Journal of Epidemiology”, 145: 33-41, 1997..

– “Mediterranean dietary pattern in a randomized trial: Prolonged survival and cancer can Reduced rate”, M. de Lorgeril et al, “Arch Inter Med” 158: 118-1187, 1998..


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