Americans started eating way more soybean oil over the 20th century, and this change is linked to big increases in a type of fat called linoleic acid in both our diets and our body fat.

Over the last 50 years, Americans have been eating more soybean oil and other seed oils, and as a result, more of the fatty acid called linoleic acid has built up in our body fat.

Over the last 50 years, the fat stored in our bodies has changed—more of it comes from processed vegetable oils, which might be changing how our body burns energy.

Eating snacks with 30g of soybean oil every day for a month doesn’t make your body more inflamed or damage your blood fats, even though some people say it does.