The dietitians’ rule of thumb has been saturated animal fat = bad,
polyunsaturated vegetable fat = good
But now US scientists are questioning the conventional wisdom, and asking whether margarine might have been more harmful for us all along.
Cutting down on saturated animal fat lowers cholesterol and thus reduces the risk of heart attack. However, the new analysis of a study conducted in the late 1960s and early 1970s, some of the data from which had been missing for decades, has revealed that people who followed the standard advice and substituted margarine in place of butter died sooner than those who made no change to their diet.
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But now US scientists are questioning the conventional wisdom, and asking whether margarine might have been more harmful for us all along.
Cutting down on saturated animal fat lowers cholesterol and thus reduces the risk of heart attack. However, the new analysis of a study conducted in the late 1960s and early 1970s, some of the data from which had been missing for decades, has revealed that people who followed the standard advice and substituted margarine in place of butter died sooner than those who made no change to their diet.
Mais
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