..............Consuming or inhaling aldehydes, even in small amounts, has been linked to increased risk of heart disease and cancer. So what did Prof Grootveld's team find?
"We found," he says, "that the oils which were rich in polyunsaturates - the corn oil and sunflower oil - generated very high levels of aldehydes."
I was surprised as I'd always thought of sunflower oil as being "healthy".
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After years of being told, and telling others, that saturated fat clogs your arteries and makes you fat, there is now mounting evidence that eating some saturated fats may actually help you lose weight and be good for the heart, writes Michael Mosley.
Should people be eating more fat?
http://www.bbc.co.uk/news/magazine-33675975