Friday Favorites: What’s the Ideal BMI and Waist Size?

Is there a unisex chart to see what your optimal weight might be based on your height? Increased risk of metabolic complications starts at an abdominal circumference of 31.5 inches in women and 37 inches in most men, though it’s closer to 35.5 inches for South Asian, Chinese, and Japanese men.

This video may be triggering for people with a history of eating disorders. While there is an optimum waist size for health, it is important that one does not go to extreme measures to achieve these numbers, as this can result in devastating physical and mental consequences. For those struggling with an eating disorder, consider checking out https://www.nationaleatingdisorders.org/.<br />
If you missed the previous videos in this obesity series, see:
• The Best Knee Replacement Alternative for Osteoarthritis Treatment (http://nutritionfacts.org/video/the-best-knee-replacement-alternative-for-osteoarthritis-treatment)
• The Effects of Obesity on Back Pain, Blood Pressure, Cancer, and Diabetes (http://nutritionfacts.org/video/the-effects-of-obesity-on-back-pain-blood-pressure-cancer-and-diabetes)
• The Effects of Obesity on Dementia, Brain Function, and Fertility (http://nutritionfacts.org/video/the-effects-of-obesity-on-dementia-brain-function-and-fertility)
• The Effects of Obesity on Gallstones, Acid Reflux, and Cardiovascular Disease (http://nutritionfacts.org/video/the-effects-of-obesity-on-gallstones-acid-reflux-and-cardiovascular-disease)
• The Effects of Obesity on the Immune System and Kidney and Liver Diseases (https://nutritionfacts.org/video/the-effects-of-obesity-on-the-immune-system-and-kidney-and-liver-diseases/)
• Is the Obesity Paradox Real or a Myth? (https://nutritionfacts.org/video/is-the-obesity-paradox-real-or-a-myth/)

While we should not understate the health risks that obesity raises—all of which are outlined in my series on the ABCs of obesity—we also recognize the effects that stigma against body size has on one’s health.:
https://nutritionfacts.org/video/weight-bias-hating-their-guts/ (https://nutritionfacts.org/video/weight-bias-hating-their-guts/)
https://nutritionfacts.org/video/the-impacts-of-weight-bias-in-health-care/ (https://nutritionfacts.org/video/the-impacts-of-weight-bias-in-health-care/)

I cover all of this and more at length in my book How Not to Diet (https://nutritionfacts.org/how-not-to-diet/). Its companion Cookbook (https://nutritionfacts.org/book/how-not-to-diet-cookbook/) has more than 100 delicious Green-Light recipes that incorporate some of my 21 Tweaks (https://nutritionfacts.org/video/trailer-for-how-not-to-diet-dr-gregers-guide-to-weight-loss/) for the acceleration of body fat loss.

New subscribers to our e-newsletter always receive a free gift. Get yours here: https://nutritionfacts.org/subscribe/.

Have a question about this video? Leave it in the comment section at http://nutritionfacts.org/video/friday-favorites-whats-the-ideal-bmi-and-waist-size and someone on the NutritionFacts.org team will try to answer it.

Want to get a list of links to all the scientific sources used in this video? Click on Sources Cited at https://nutritionfacts.org/video/friday-favorites-whats-the-ideal-bmi-and-waist-size. You’ll also find a transcript and acknowledgements for the video, my blog and speaking tour schedule, and an easy way to search (by translated language even) through our videos spanning more than 2,000 health topics.

Thanks for watching. I hope you’ll join in the evidence-based nutrition revolution!
-Michael Greger, MD FACLM

Captions for this video are available in several languages; you can find yours in the video settings. View important information about our translated resources: https://nutritionfacts.org/translations-info/

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78 Risposte a “Friday Favorites: What’s the Ideal BMI and Waist Size?”

  1. I'll listen…. But BMI is a DUMB CONSTRUCT for tons of reasons.
    1) Biodiversity
    2) Mineral differentiation in bones across ethnicities.
    3) Genetics
    Etc etc

  2. Can you please explain how that unisex chart can be accurate? The differences between men and women are too great. Muscle mass, bone density, etc..

  3. One thing that's slightly frustrating is the lack of research on BMIs that are on the lower side (e.g from 18-20) its not really known whether risk increases there (assuming the lowish BMI is not caused by something pathological or an eating disorder) or stays broadly the same.

  4. This makes sense as to why women live longer than men – they tend to have much lower BMI values than men

  5. So ready for the studies on people eating whole plant foods exclusively to help guide us into our best potentials. Thanks so much Doc and staff for sharing these videos and saving lives ❤🥦

  6. I love this channel … and as of today, 7th July 2023, so do another 983,000 people. Thanks and congratulations to Michael Greger and the team.

  7. At 6'5", when I dropped to a BMI of 24 (so on the high side according to some of the risk factors presented in this video), freinds and family were genuinely concerned about me, because I looked so unwell. I observe a relatively good vegan diet, with little highly processed food, and don't have a huge waist circumference or high body fat percentage. I seriously doubt that BMI works as a good indicator for someone of my build.

  8. Being healthy doesn't stop or delay the moment of death but it does make you suffer less while you're alive since you're living in and with your body your whole life.

  9. A few months after Covid started circulating around the world, I saw a chart produced in China that showed the BMI of people who had died. The lowest level at BMI of 18 showed no loss of life and that even in the "normal" range above that number there was a loss of life increasing incrementally.

  10. I'm honestly surprised Dr. Greger still supports the use of the BMI considering it's not a very accurate measure of health. According to its rules, an extremely fit person with a lot of muscle would be considered "obese." It wasn't even originally invented as a measure of health, it was designed to measure the "mean ideal" of populations as a scientific justification for eugenics by someone with no biological or medical training – the same man who invented phrenology. It was never meant to be a measure of individual health. He may as well do a video about the medical benefits of anthropometry for all the good BMI does us.

  11. At 5'11" I'm currently 225 lbs. When I was 180 lbs I was THIN. I can't imagine how skeletal and gaunt I would look at 158 or 143 💀

  12. So forget the chart. Get weighed in water ( hydrostatic underwater bmi test) A better gauge of your true BMI especially if you happen to be a muscular person. Waist to hip measurement is also good.

  13. Now I'm so glad that I've lost weight and kept the majority of it off during the last few years. In the last few Marches, I was as light or lighter than I was in some past Septembers. Avoiding junk foods and restaurant foods works wonders at enhancing summer weight loss AND reducing winter weight gain. At the same time, I increased the quantity and variety of healthy superfoods in my diet.

    I made a limited return to junk foods and restaurant foods last fall and this summer. (I'm trying to find the healthier and lower sodium restaurant meal options. Out of all the nutritional pitfalls of restaurant foods, the sodium bombs are hardest to avoid.) I know of one pizza place that I used to like but won't be ordering from again due to the side effects – food coma and persistent thirst that's hard to quench. I'm clearly more sensitive to oil and salt than I used to be, because it takes less of them to give me those side effects. A 50/50 eggnog/milk mixture, Jonny Pops ice cream bars, and chocolate Halloween candy are all still delicious but taste sweeter than they used to. I suspect that some of the sweet things I used to like are too sweet for me now.

    My motivation for eating healthier wasn't my weight, my figure, my waistline, or my blood cholesterol. Instead, I was motivated by the pandemic. I need all the immune system support and anti-inflammatory support I can get. As I see it, the pandemic has multiplied the health risks of consuming unhealthy foods. Gone are the days when weight gain and higher blood cholesterol were the biggest risks.

    The irony is that I'm now technically underweight for a substantial portion of the year. The dividing line between healthy and underweight is a BMI of 18.5. Under my new diet (my healthiest ever by far), I'm above that only during the months of January through May, and my BMI peaks at around 19 in the early spring. During the rest of the year, my BMI is below 18.5. I've actually been much skinnier than most people for my entire life. And for the vast majority of my life, I've been technically underweight. At my "heaviest" (in the early springs of 2020 and the previous few years), I had a BMI between 21 and 22.

    This video allows me to feel that "thin privilege" that the pro-obesity brigade laments. I often find it difficult to find pants and belts that fit my 30-inch waist. I had to buy a special wristband for my Amazfit Band 5 smartwatch, because the original one was too loose for me. It feels like the stores and manufacturers are skinny-shaming me. I guess the message is that real men eat at Kentucky Fried Cholesterol and The Cheesecake Factory. I have about the same BMI as celebrities like Taylor Swift and Mandy Moore. (But I'm not as good-looking, as charming, or as graceful.) So I found it SO SHOCKING that people have fat-shamed these stunningly gorgeous celebrities. I'd pay money to watch a mud fight between the clothing designers who skinny-shame me and the people who fat-shamed Taylor Swift and Mandy Moore.

  14. The pro-obesity brigade (which hijacks terms like "fat acceptance" and "body positivity") reminds me of the pro-anorexia brigade. Both glorify unhealthy weights – just at the opposite ends of the spectrum. The pro-obesity brigade reminds me of the global warming denialists, the anti-vaccine brigade, the anti-face-mask brigade, the Flat Earthers, and those who insist that the moon landing was a hoax.

  15. My BMI is 20.9 and female 13% fat mass 1311 metabolic rate 6.7kg body fat mass 2.3kg bone mass 44.5kg fat free mass age 15 metabolic age 42.2kg muscle mass 27% saturated fat 31.9kg total body water 62.3% body water 1% visceral fat 51.2kg weight 4ft 5 inches tall

  16. This man should win a national medal for his contributions to society. He shares knowledge for the benefit of the general population and that is simply a noble endeavor. Congratulations Dr. Greger for all you do. You have my most sincere and profound respect for what you do. I learn something new from your videos every week.

  17. At 44 yrs of age, female, my bmi is 21 sustained, with no effort just eating whole foods, occasional walks during the week, some tae kwon do. No expensive gym memberships, no special diet plans, none of that. I believe part of the problem, that is why so many people eat unhealthy, is scientific illiteracy, which in itself is dangerous.

  18. Ok i dont think he engaged with the ideas from fat activism very fairly here. A huge problem for fat people is that they go to the doctor and all their issues are put down to their fatness, even when that hasnt changed. They are treated as if they dont really know their own bodies and like their fatness is a choice, a problem they are too lazy/stupid to solve. Doctors treating them that way has actual consequences like misdiagnosis or very late diagnosis of things that would have been checked more carefully for a thin person. We live in such a fatphobic world that i dont think loads of fat people are wandering around saying "oh this 1 person 1 time said it was ok to be fat so i wont ever try to get healthier in any way" – most fat people are struggling with weight for other reasons – chronic illnesses, mental illness, poverty and lack of access to fresh foods, lack of time to work out, lack of energy to work out because some peoples lives are so difficult they do not have the energy to focus on health too. Im not saying everyone should be told theyre healthy all the time (although to be clear, thats not happening, fat people are constantly reminded that their body is 'wrong') but when people speak to a dr they deserve to be listened to as much as a skinny person would be. Some people justify fatphobia as somehow "helping peoples health", after all if we didnt treat these ppl so badly, how will they know to change? But shaming makes depression worse and depression and despair and shame are not active emotions and i gotta say, fat activists are completely right abt that. BMI can be a useful tool but it can be very reductive to imagine thats the only marker of what is or isnt "healthy". My 2 cents would be that i love dr gregor and i think he is extremely knowledgeable on studies and stats about nutrition, no question. But i think he could stand to balance that with more of an understanding of how some of his work, or even just his phraseology might play into fatphobic ideas which can be harmful on a society-wide scale, to the very people he really wants to help (and i do definitely beleive he wants to help and that this could be an incredible extension of his work)

  19. I would add, to the “stand naked in front of a mirror” test, to jump up and down slightly. You’ll find out all you need to know! 😇

  20. Subscribe to NutritionFacts.org’s free newsletter! Each issue includes a recipe and key takeaways on a particular health topic. And, as a thank you for subscribing, receive The Daily Dozen Meal Planning Guide. In the guide, we’ll walk you through the steps for incorporating the Daily Dozen checklist into your meal planning and give you additional strategies to help you build more healthful eating habits. Subscribe here – https://nutritionfacts.org/subscribe/

  21. I couldn't imagine getting my BMI THAT low. I think everyone would become seriously concerned with my health. There's gotta be different charts for men and women. We are too different

  22. Having a unisex BMI chart seems incredibly fishy given the obvious differences between male and female bodies. The chart in the video seems reasonable for women: I'm sure most NFL cheerleaders or Playboy Playmates would have the "optimal" BMI, or even a little lower. But if you're a man with the "optimal" BMI, you look like a stickman. Maybe this is healthy for men, but it's not aesthetically pleasing and a man with this BMI would have trouble doing a job requiring any muscle. (Incidentally, I'm a man with a BMI of 22.2, and so my comment is hardly self-serving.)

  23. OK 1. Should you adjust ideal BMI based on bone size and wrist measurement. 2. Should you adjust ideal BMI as you age since bone density decreases. 3. I see some ideal body fat % tables are adjusted upwards for age, thus do you need more body fat when you get old. 4. When measuring the waste do you choose to measure at the largest circumference or where your natural waste line is.

  24. Well, I'm now 5'4" having shrunk from 5'5 3/4 when I was young. I'm 108 after going vegan because I have damaged kidneys from childhood when I had a twisted ureter….and only found out in 2009 how damaged. So, I went on a low protein diet supplemented with pharmaceutical grade amino acids from the ONLY supplier here in the US. So, my creating is stable and the weight loss occurred. I feel fantastic! Most of my family is tall and slim so now I look like them! Yes, I am technically 9 lbs underweight according to this particular chart, but actually just on the low end or slightly under the normal range, not 9 lbs. according to a calculator. I can't eat enough to gain more weight. I once was 113 but dropped it while under stress tending to my mother as she died and it has never come back. At 72, I'm not wasted…just slim.

  25. What about the consideration of muscle mass? I am considered slightly overweight, per BMI, I am 5’8 and weigh 175 pounds , which puts my BMI at 26.6, but I have very little fat, more lean muscle. I don’t get the BMI thing.

  26. BMI doesn't take muscle mass or bone density into account, and muscle loss (sarcopenia) and osteoporosis in old age are as important as other health factors, BMI is a useful rough tool but it has limitations

  27. Bodybuilders, and even YouTube fitness gurus, are often taking more than just steroids, while engaging in other unhealthy activities. Their shortened life expectancy is a difficult problem to tease out.

  28. Body builders are only lean during competition, where they have to literally starve themselves to cut fat. Otherwise their high protein high fat diet puts them in the obese category. Notice how many professional body builders die from heart attacks. And even if they are 10% bodyfat but still 20lbs over their recommended BMI, what studies say that packing on 20lbs of muscle makes you healthier?

  29. I enjoy how much thought DG puts into these videos and admire his mission to educate and support evidence based information to help others live healthy lives. However I was alarmed by the suggestion that striving to be at the bottom of one’s BMI range might actually be a most appropriate target. I have struggled with weight my entire life: fat kid with parents desperate to help me manage that struggle which led to serious binge eating disorder and my weight eventually ballooned to almost 400 pounds. Almost 25 years ago I had weight loss surgery and I have kept the weight off. But it has been work. And I only ever get into a healthy BMI range (not overweight) if I practically starve myself. My body is now different, structurally and mechanically as a result of years of super obesity during puberty and as a result of my surgery. How is that extra bone and skin and connective tissue that I have accounted for? Should a sum calculation become an obsession to achieve in order to be healthy? This really borders on guidance that nudges towards disordered eating and orthorexia.

  30. So at about 179 cm, how much has my all-cause mortality changed by going from 60 to 64 kilos?

    Btw, although I doubt it would be significant, I wonder if you would look at the history of the weight of centenarians, even though I assume it would be next to impossible to reliably obtain. I imagine people tend to lose weight as they get older due to factors like forgetting to drink enough water.

  31. When you shrink in size due to age (presumably because of intervertebral disc shrinkage), do you use your previous height to calculate bmi or the new shorter height?

  32. He's talking about BMI without taking body composition (fat to fat-free mass) into consideration. People with well developed muscle mass are often within the overweight or obese BMI categories. People with very low muscle mass are often categorized as normal BMI, even with high, unhealthful body fat percentages.

  33. THANK YOU for this!! Now I have motivation to stop accepting 24BMI as 'good enough' and will have more motivation to lose weight!

  34. The information presented on this channel isn't always correct, based on my research, but on this topic he is spot on. As someone who lost 70 pound and has seen the many health benefits first hand, this pro-fat movement is utterly baffling to me. Is it really more important for people to "feel" good about themselves than to actually be healthy? I don't understand this thinking at all. I shouldn't be surprised because American culture has gone completely nuts in recent years, allowing the dumbest possible narratives to take hold, while rational discourse is often shut down because it doesn't feed into culture war insanity.

  35. Why would anyone take advise from a guy lacking key nutrients in his diet? He has poor vision and dark spots under eyes. Clearly lack of protein and magnesium. And being skinny fat is not any better than being fat. Build muscle and buy a nice suit! Guy looks like he borrowed suit jacket from tj max

  36. I'm underweight by at least 10 lbs according to this. 5'3 weight 101 lbs. In my 50's. I Need to put on weight but have zero apatite. Had some medical problems that caused me to have trouble eating so my tummy shrank. Now I can't seem to get back to normal weight of between 115 and 120 lbs. One normal plate of food I'll eat on for breakfast lunch and dinner simply because I get full too fast. I need a Solution. I need calorie rich foods in small portions that are so dense in nutrients that I can actually get a benefit from eating them. I haven't found that yet. Any ideas?

  37. My favorite metric is ABSI (A Body Shape Index). It takes into account height, weight, age, and waist circumference, and predicts health very closely.

  38. Many people don't measure waist circumference properly…or honestly perhaps – (sorry folks but it ain't your pant size 😀)- so here goes :

    Stand up to get an accurate waist measurement. The tape measure should not stretch when you are taking the measurement.
    Wrap the tape measure around the widest part of your stomach, across your belly button. The tape measure should rest gently on your skin.
    Once the tape measure is positioned correctly, breathe in gently and then take the measurement on the *exhale*.

  39. So I bought Carbon, an inexpensive food tracking app used by body builders which also has a facebook page. Reading the facebook entries is telling and may explain why body builders have short lives. Most have no clue that “macros” are NOT nutrients, even though the app has a respectful nutrient tracking system. They also seem clueless about using high fiber veggies to fill out meager portions of “protein”, which appears to be mostly refined protein powders. The app suits them because it hones in on protein as the “key” to building muscle and sets the protein level at 2 to 3 times that recommended by WHO . They seem not to understand that their kidneys may eventually, sooner than later, complain about this daily assault. Those who are using the app for weight loss are buying into the protein hype prevalent on the facebook page.

    App example: I am in my low 70s. The app takes into consideration that it will be very difficult for me to lose weight and retain muscle mass if I exceed more than 1 lb loss/week. That’s good. Means it will take a year for me to reach my weight goal. However, I am instructed to consume 125 grams of protein a DAY! I happen to have very good kidneys for my age and I would like to keep them that way. No way am I going to consume that much. As a flexitarian ( can of sardines twice a week plus plants), I actually have trouble keeping my daily protein consumption at or below 60 grams as WHO and nutritionfacts.org would have it. I keep one eye on the app and the other on Greger’s Daily Dozen to stay on track. Anyway, if the facebook page is any indicator of the average body builder out there, it is obvious to me that steroids are not required for a lengthy suicide; their diets alone would do it.

  40. The problem is that BMI is designed for men. It
    offers little value for women with actual curves. I have seen regular size women with large breasts deemed overweight and even obese usng the BMI.
    Women deserve a system that acknowledge that men and women are different. We are 51% of the population.

  41. Soo Im vegan and happy about it. But just listen to a Dr sharing a study about cognitive decline when aging when not eating meat ( animal protein) any data you can share?

  42. If there is a global food shortage or famine at some point, then it will be the people at BMI 20 and lower that will have the shortest life spans 😂

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