saturated/unsaturated (fats)

phoenix

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This link describes the differences and contains up to date main stream advice It does indeed suggest replacing some saturated fat for unsaturated fat.
http://www.hsph.harvard.edu/nutritionso ... ull-story/


However, It's a controversial subject.
One of the problems is that much of the evidence about fats is difficult to tease out from other aspects of the diet. People eat varied meals not individual foods. They have different lifestyles. You can change an individual food item over a veryshort time in an experiment but CVD develops over a long time so studies rely on what people say they eat.
The above advice from Harvard suggests limiting full fat dairy .
There was a recently published review paper on high dairy intake , obesity, metabolic disease and CVD which suggests that
" high-fat dairy overall does not have a negative impact on obesity risk, metabolic problems, diabetes risk, or cardiovascular disease. "
One of the authors explains though the difficulties in interpreting the evidence here (and what their findings mean and don't mean)
ie "This paper does not mean that adding butter to all your food will make you lose fat or become healthier."
http://wholehealthsource.blogspot.fr/20 ... -high.html