Eating trans fats doesn’t clearly raise or lower the risk of a certain type of stroke called ischemic stroke—the results are mixed and not reliable.

Scientific Claim

There is no clear association between total trans fat intake and risk of ischemic stroke in adults, with a relative risk of 1.07 (95% CI: 0.88–1.28) and high heterogeneity across studies, indicating inconsistent evidence.

Original Statement

“For total trans fats and ischemic stroke... the summary most adjusted multivariable risk ratio was 1.07 (0.88 to 1.28; P=0.50)... considerable heterogeneity between studies (I²=67%).”

From study:Unknown Title

Evidence Quality Assessment

Claim Status

appropriately stated

Study Design Support

Design supports claim

Appropriate Language Strength

association

Can only show association/correlation

Assessment Explanation

The claim accurately reflects the null result and high heterogeneity. The authors explicitly state no clear association exists and caution against overinterpretation.

Evidence from Studies

Supporting (1)

Unknown Title

Systematic Review With Meta-Analysis

Human

This study found that eating trans fats doesn’t clearly increase or decrease the risk of ischemic stroke — the numbers show no strong link, just like the claim says.

Contradicting (0)

No contradicting evidence found

Source Study

Unknown Title

Score: 48

DOI: 10.1136/bmj.h3978

Similar Assertions

Eating more saturated fat doesn't appear to raise your risk of having a stroke, according to a review of 8 long-term studies of adults.

86%

Eating more saturated fat from meat, butter, or cheese doesn’t clearly make people more likely to die early or get heart disease or diabetes, but the science isn’t strong enough to be sure.

75%

People who eat more trans fats—especially from processed foods—are more likely to die from any cause, including heart disease and cancer.

73%