Trans fats can also be found in butter, in cheese and the meat of ruminant animals. Trans fats are different to the ones that are produced industrially. For every 2% of energy from trans fats there's a 25% increase in cardiovascular disease risk for someone eating 2000 calories a day. The consensus on trans fats really changed in the 1990s when evidence came out showing they increased bad LDL cholesterol and reduced good HDL cholesterol which leads to an increased risk of heart disease.
Trans fats have a bad reputation. But we now know a lot more about these fats than we did when the first horror stories about them emerged.
So, based on the latest science, just how worried should we be?
Listen to today’s short episode of ZOE Science & Nutrition to find out.
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Studies referenced in the episode:
Episode transcripts are available here.
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