Omega-6 doing more harm than good?

A re-analysis of data from the Sydney Diet Heart Study (1966—1973) of 458 men aged 30—59 who had a myocardial infarct or angina found substituting linoleic acid for saturated fats increased deaths from heart disease and all causes.

And an accompanying meta-analysis by researchers incorporating the revised data showed no benefit from omega-6 and a trend towards harm.

The Heart Foundation recommends using spreads and margarines made from canola, sunflower or olive oil and dairy blends instead of butter within a varied diet.

“The results of this study do not change our position on the importance of replacing saturated and trans fats with unsaturated fats in the diet,” Heart Foundation national cardiovascular health director Dr Robert Grenfell said.“We will continue to monitor the evidence relating specifically to linoleic acid.” 

In the original study, half of the participants were given Miracle brand