About WUWM. Show Search Search Query. Play Live Radio. Next Up:. Available On Air Stations. All Streams. Lake Effect Segments. Underweight: below What BMI really is is a screening tool. Paula Papanek. National Health and Nutrition Examination Survey and analysed the link between BMI and a range of other normal health markers like blood pressure, blood sugar, and cholesterol and found that BMI incorrectly pegged people's health at both ends of the weight scale.
Other scientists, however, have suggested that although some people may appear to be overweight but healthy, the extra weight still puts them at higher risk of certain diseases as they get older.
So there is some dissention in the ranks. Already a subscriber? Sign in. Thanks for reading Scientific American. Create your free account or Sign in to continue. See Subscription Options. Go Paperless with Digital. Body Mass Index BMI is a mathematical formula that divides a person's weight by the square of their height to arrive at a number that falls into one of these bodyweight categories: Beyond assigning one of these categories, a high BMI can be also an indicator of high body fat and therefore can be used to screen for certain weight levels that could lead to health problems.
A 6ft-tall Olympic meter sprinter weighing 90kg lbs may have the same BMI 26 as a couch potato of the same height and weight. A study finds that the costs associated with obesity are likely to account for an average of 3. A small study suggests that oral ketone supplementation for 14 days may improve brain blood flow and function in people with obesity.
A new study in rats investigates how a high fat diet significantly disrupts their natural night-day rhythms in eating behavior, promoting obesity. New research suggests that improving fitness is at least as effective as weight loss for staving off obesity-related cardiovascular disease and…. BMI exaggerates thinness in short people and fatness in tall people.
It has prevailed for over years. Waist size linked to diabetes risk, regardless of BMI. Waist-to-height ratio better than BMI. An example of the biggest flaw in using BMI.
Share on Pinterest Wrestler Steve Austin, at the height of his career weighed kg lbs. He was 6ft 2ins tall. Focusing on body fat percentage instead of weight is much more useful to track fat loss progress.
Here are the 10 best ways to measure your body fat…. Health Conditions Discover Plan Connect. What is BMI? BMI range Classification Risk of poor health less than Is it a good indicator of health? Downsides of BMI. BMI range Classification less than Better alternatives. The bottom line. Read this next. Medically reviewed by Elaine K. Luo, M. Medically reviewed by Daniel Bubnis, M.
Medically reviewed by Stacy Sampson, D. Are You a Healthy Weight? Weight Ranges by Height and Sex. Written by Grant Tinsley, PhD.
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