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| (Harvard School of Public Health) |
Trans fat is one of the worst types of fat that you can consume. It has been linked to heart disease, diabetes, and stroke, and some evidence shows a link between trans fat and cancer, obesity, liver dysfunction, and infertility.
Unlike most fat, trans fat is mostly man made. It's rise in popularity is due to two reasons. One, when using trans fat, foods don't spoil as easily. Two, these man-made fats are much cheaper than the animal alternative.
Trans fat has been in food for years, but before 2006 it was harder to identify. Before the FDA required trans fat to be listed on the nutrition label, consumers had to search ingredients for partially hydrogenated vegetable oil or vegetable shortening. Trans fat is in all sorts of foods, but most often in fried foods like French fries and doughnuts, baked goods including pastries, pie crusts, biscuits, pizza dough, cookies, and crackers, and stick margarines and shortenings.
Now that trans fat is listed on nutrition labels, a lot of companies are phasing it out of prepared foods, but it's still very important to read labels and avoid foods that still have trans fat. Keep in mind, though, that according to FDA guidelines, anything that has under .5 gram of trans fat can label themselves as having 0 grams. Foods that advertise themselves as having "0 grams of Trans Fat" have trans fat in them--look instead for products labelled "No Trans Fat." Also make sure to read the label for partially hydrogenated vegetable oil or vegetable shortening.
The real problem is food that is sold without labels-- namely food in bakeries, restaurants, and cafeterias. Some regions, including New York City, Boston, and California, are passing laws that prohibit trans fats in these foods, but in most of the country you still need to be aware of what's in your food. Hopefully one day the US can follow countries like Denmark that have banned trans fat completely.
Want to know more about Trans Fat? Check out these resources:
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