The Super Common Oil That Science Now Shows Is Worse Than Sugar
“That was a surprise, given that most people think that unsaturated fatty acids [like those found in soybean oil] are supposed to be healthy,” says lead study author Poonamjot Deol, Ph.D., a cell biologist at the University of California, Riverside. They’re also everywhere. A full half of all the vegetable oil produced in the world is soybean oil. And since it’s cheap, the stuff is used in endless packaged foods. It’s also a favorite at restaurants—many of which tout the fact that they use soybean oil right on their menus because it’s perceived as healthy.
Deol and her colleagues aren’t totally sure what makes soybean oil so horrible, but they guess that it could have something to do with the way the stuff influences genes that determine how the liver metabolizes fat. And other processed vegetable oils might not be much better. “We’ve actually tested corn oil, and we found that it was also causing more obesity than coconut oil, but not as much as soybean oil. We haven’t tested canola yet,” she says.
But how much weight can you actually give to a study that was done on mice? Actually, more than you’d think. The amount of fat and fructose in the rodents’ diets were designed to mimic what the average U.S. adult eats on a daily basis. What’s more, the genes in our livers and the genes in the livers of mice act fairly similarly. So if loads of soybean oil turns a mouse’s liver to fat, it probably isn’t great for us, either.
That’s why, even though more research is needed to unveil the nitty gritty details of how soybean oil wrecks our health, it makes sense to cut back where you can, says Deol. So, avoid processed food that lists the stuff as an ingredient as much as possible. As for cutting it out altogether? It’s worth a shot, but good luck. “It’s so prevalent in our food system. If something says vegetable oil, it’s most likely soybean oil, or soybean oil is a component,” warns Deol.
Source: healthyfoodstyle
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