Trans-fats promote heart disease by raising bad cholesterol, lowering good cholesterol, and inhibiting healthy fats such as omega-3. This increases plaque buildup in the arteries, which leads to decreased blood flow of vital oxygen and nutrients crucial to organs such as the brain, heart, kidneys, etc.
Most people are aware of these detrimental effects and try to avoid these fats, which are still commonly found in fast-food and many processed foods. But be aware – labels can legally display ‘trans-fat-free’; and the ‘Nutrition Facts’ section may also report trans-fat content is 0 grams if the product contains 0.5 grams or less of trans-fats (they are allowed to round down to 0 grams).
Therefore it is important to always read the ingredients list, because you could be getting hidden amounts of trans-fats, despite your good intentions. Simply make sure you don’t see ‘PARTIALLY HYDROGENATED OIL’.
If you do see this in the ingredients list don’t eat it, because it does have enough Trans-fats to contribute to heart disease.