Replacing saturated with polyunsaturated fat

For this week’s note, I’ve done an executive summary. If you would like to see the full article, please read below. If you just want the headline – butter is still better than margarine and it always has been!

* Public health dietary advice continues to tell us to replace saturated fat with polyunsaturated fat – eat margarine not butter etc (the different types of fat are explained here).

* A paper was published on 19th May 2017, which examined trials that have replaced saturated fat with polyunsaturated fat to see what the outcome has been for major Coronary Heart Disease (CHD) events, total CHD events, CHD deaths and deaths from any cause.

* The paper’s novel approach was to group trials according to how well the dietary intervention was controlled.

* It found that replacing saturated fat with polyunsaturated fat made no difference when the well controlled trials were looked at separately. When all trials were grouped together, there was still no difference for major CHD events, CHD deaths or deaths from any cause. There was, however, a small difference for total CHD events.

 

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