When male rats eat a lot of sugar, their bodies have a harder time managing blood sugar and fats, just like when they eat a lot of fat — so both kinds of diets might mess up their metabolism in similar ways.

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Evidence from Studies

Supporting (1)

10

Community contributions welcome

10

High-fructose diet is as detrimental as high-fat diet in the induction of insulin resistance and diabetes mediated by hepatic/pancreatic endoplasmic reticulum (ER) stress

Cohort Study

Animal

2016 Dec

The study found that feeding male rats a lot of fructose made them sick in the same ways as feeding them a lot of fat — they couldn’t process sugar well, became resistant to insulin, and had bad cholesterol levels. So yes, fructose is just as bad as fat for causing these problems.

Contradicting (0)

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Community contributions welcome

No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

High-fructose diet is as detrimental as high-fat diet in the induction of insulin resistance and diabetes mediated by hepatic/pancreatic endoplasmic reticulum (ER) stress

Score: 10

DOI: 10.1007/s11010-016-2828-5

Similar Assertions

In male rats, eating a lot of sugar (fructose) causes health problems like trouble processing insulin and cell stress, just like eating a lot of fat does—so sugar might be just as bad for your metabolism as fat.

10

0

87%

Eating too much fructose, like the sugar in soda and candy, can mess up your liver’s ability to respond to insulin, make more fat in your liver, and raise fat levels in your blood, which can lead to bigger health problems like heart disease.

55

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79%

Eating too much fructose over a long time can mess up how your liver responds to insulin, making your body produce more insulin, cause body-wide inflammation, and raise fat levels in your blood—all of which raise your risk of heart disease.

10

0

78%

Eating a lot of fat and a lot of sugar together is worse for your liver than eating just fat or just sugar — they team up to cause more damage.

1

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77%

Eating too much fructose—like the sugar in soda and fruit juice—makes your liver create more fat than other sugars or fatty foods do, and that extra fat can mess with how your body responds to insulin.

1

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76%