Eating a handful of walnuts every day for two months doesn’t seem to change key health numbers like good cholesterol, blood sugar, or inflammation in healthy white adults over 50 — so the heart benefits of walnuts might only show up in certain types of fats in the blood.

61

Pro

0

Against

Evidence from Studies

Supporting (1)

61

Community contributions welcome

61

Walnut-enriched diet reduces fasting non-HDL-cholesterol and apolipoprotein B in healthy Caucasian subjects: a randomized controlled cross-over clinical trial.

Randomized Controlled Trial

Human

2014 Mar

The study gave people walnuts every day for 8 weeks and found it didn’t change most blood sugar and inflammation levels, but did improve some heart-related cholesterol levels, which matches what the claim says.

Contradicting (0)

0

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

Walnut-enriched diet reduces fasting non-HDL-cholesterol and apolipoprotein B in healthy Caucasian subjects: a randomized controlled cross-over clinical trial.

Score: 61

DOI: 10.1016/j.metabol.2013.11.005

Similar Assertions

Eating a handful of walnuts every day for a month doesn't seem to help improve cholesterol or other blood fats in middle-aged white adults who are at risk for metabolic syndrome.

46

0

90%

Eating a small handful of walnuts every day for two months might help lower bad cholesterol and a blood protein linked to heart disease in healthy older white adults.

61

0

90%

Eating walnuts doesn’t really raise your 'good' cholesterol, even though it helps with other types of cholesterol. So while walnuts are heart-healthy in some ways, they don’t seem to boost HDL much.

28

0

88%

Eating walnuts every day might help lower bad cholesterol, which is good for your heart.

28

0

86%

Eating walnuts doesn't seem to change cholesterol, blood sugar, weight, or blood pressure in adults with metabolic syndrome, according to studies that combined results from multiple clinical trials.

47

0

86%