BMI used to look like it protected people who were overweight—but when you look at belly fat, that protection disappears, and higher BMI just keeps getting riskier.

66

Pro

0

Against

Evidence from Studies

Supporting (1)

66

Community contributions welcome

66

Association between complementary anthropometric measures and all-cause mortality risk in adults: NHANES 2011–2016

Cohort Study

Human

2025 Jan

When scientists looked at body weight (BMI) alone, heavier people seemed to live longer — but when they also measured belly fat, that ‘protective’ effect vanished. This means it wasn’t the extra weight that helped — it was the lack of belly fat.

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

Association between complementary anthropometric measures and all-cause mortality risk in adults: NHANES 2011–2016

Score: 66

DOI: 10.1038/s41430-024-01496-8

Similar Assertions

People with bigger waists are more likely to die sooner, even if their overall weight seems normal—this means where you carry fat matters more than how much you weigh.

66

0

76%

Increased waist circumference is associated with a higher risk of metabolic disease and mortality, independent of total body weight.

48

59

75%

Being severely obese doesn’t automatically mean you’re at higher risk of dying—what matters more is whether you carry fat around your middle.

66

0

75%

People who are too thin have a much higher chance of dying early—even more than those who are obese—suggesting being underweight is just as dangerous as being very overweight.

66

0

71%