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BMI & Its Replacement

8 replies9 peopleOct 21, 2025β˜† Follow
Summary

Is BMI outdated for assessing overweight and obesity, and what better alternatives exist like waist-to-height ratio?

The thread discusses how recent medical views are shifting away from BMI toward anthropometric measures such as waist-to-height ratio for better health risk assessment. Participants share personal experiences where BMI misclassifies them due to frame size or muscle, while waist measures align better with body fat and health markers like cholesterol. Several note that waist-to-height ratio under 0.5 indicates lower risk, and it accounts for visceral fat more effectively than BMI alone.

What this discussion establishesWhere people disagree

Some see BMI as still adequate when it matches other measures, while others argue it fundamentally fails outliers like those with large frames.

Nothing here is advice.

8 replies Β· 9 people
CopperLedger37archiveopening postOct 21, 2025

BMI is getting less emphasis in medicine these days based on new papers. Attention is moving toward other ways to judge if someone is overweight or obese. I suggest waist to height ratio since it is one of the body measurement options highlighted in the work. An article makes the case that this ratio is the simplest and best sign of health risk. A site explains the right way to measure your waist and then plug in the numbers with your height to check your result, and visiting it showed me my own measurement technique was off.

BrightSignal21archiveOct 21, 2025

My go-to is the naval assessment tool found all over the web because it factors those elements in. Hip width comes into play for ladies as well.

SteadyQuill55archiveOct 21, 2025

WHR catches my attention more than it should, yet BMI works okay for me. No matter the type of assessment used, the results match reality about my body fat too high or normal as appropriate.

SlowKettle51archiveNov 2, 2025

Standard BMI measurements don't account for bigger builds such as my own. These numbers put me at 31.1 for BMI and 24.1 for body fat percentage.

PatientLantern66archiveNov 2, 2025

I've stuck with those calculator and mirror items from the navy seal line as my usual picks for ages.

SlowHarbour85archiveNov 2, 2025
↳ replying to @CopperLedger37 (opening post)

I used to think of body mass index as the pressure it puts on internal organs like the heart and blood vessels. That idea came from a class I took years ago, so it could be wrong now. It's useful for some people but not those far from average. At five foot eleven, I've noticed women with matching fat levels but different shapes who appear similar. My mom stood six one and seemed fine at one thirty to one thirty five, having a slender build and small fingers. Right now I'm at one forty to one forty five with a sturdy build, wide upper body and wider lower body. My skeleton allows me to reach one sixty without looking off. She developed a second chin once she hit one fifty. The index doesn't work for either of us. Measuring from height to middle and comparing hips to middle seems better for many since belly fat links more directly to future wellness.

IronThistle42archiveNov 3, 2025
↳ replying to @CopperLedger37 (opening post)

The waist to hip ratio serves as an excellent way to assess fat stored around the organs, and that kind of fat points to risks with the heart and other body parts inside. Not sure about the number for females, though for guys it should stay under point nine. Hips ought to measure more than the middle. πŸ™‚

PatientKettle47archiveNov 3, 2025

A recent health check showed my cholesterol levels now sit in an ideal spot after a major improvement since five years back. My body mass index remains four kilograms over target while the waist to height measurement lines up exactly right. This indicator doesn't apply to everyone yet it fits my case since I no longer count as carrying extra weight even if the index falls short of usual standards. Solid weight reduction happened through one approach which I stopped to build muscle instead. Hitting the index target could occur fast but I decided against it because that goal doesn't suit my situation.

CopperQuill86archiveNov 14, 2025

I've come across info suggesting the waist-to-height ratio edges out BMI a little when it comes to forecasting issues. Keeping the waist below half the height seems key, and hitting about that 0.5 mark for men or women links to only small rises in death rates.

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