BMI is a useful indicator of health at the population level. However, the distribution of fat on your body is more important that the amount, when assessing your disease risk. For this reason, your waist circumference is thought to be a better predictor of health risk than your BMI.
When is BMI useful?
Body Mass Index Is a Good Gauge of Body Fat
The most basic definition of overweight and obesity is having too much body fat-so much so that it “presents a risk to health.” (1) A reliable way to determine whether a person has too much body fat is to calculate the ratio of their weight to their height squared.
Why BMI is not a good measure of health?
BMI is not an accurate predictor of health because it does not account for body fat percentage or body fat distribution. In addition, BMI cannot accurately predict the health of different demographics and races because it was created with data from only white Europeans.
Why do doctors still use BMI?
Body mass index, or BMI, has been used for over 100 years to help health professionals decide whether a patient is overweight or underweight. It is used in population studies, by doctors, personal trainers, and others.
Is BMI accurate 2020?
As most of us fitness-focused folks have likely heard, BMI is far from a perfect measurement. Much of the time, and often when it really counts, the BMI measurement may actually overestimate or even underestimate a person’s body fat. And when it does, it really does.
Does age affect BMI?
For adults ages 20 years and older, BMI incorporates weight and height, but it does not take age or sex into account. A woman tends to have more body fat than a man with the same BMI. Likewise, an older person tends to have more body fat than a younger person with an equal BMI.
Is WHR a better indicator than BMI?
WHR is an easy, inexpensive, and accurate way to see how much body fat you have. It can also help predict your risk for heart disease and diabetes. A few studies suggest that WHR is even more accurate than BMI for predicting the risks of cardiovascular disease and premature death .
What is the best indicator of overall health?
Body mass index or BMI has long been the standard for measuring health. The simple formula is widely used to classify whether our weight falls within a “healthy” range for our height. BMI provides an estimate of a person’s overall disease risk, and is used around the world to measure obesity.
What is a fat skinny person?
The takeaway. “Skinny fat” is a term that refers to having a relatively high percentage of body fat and a low amount of muscle mass, despite having a “normal” BMI. People of this body composition may be at a heightened risk of developing diabetes and heart disease.
Does BMI mean anything?
BMI (body mass index), which is based on the height and weight of a person, is an inaccurate measure of body fat content and does not take into account muscle mass, bone density, overall body composition, and racial and sex differences, say researchers from the Perelman School of Medicine, University of Pennsylvania.
Does BMI actually matter?
As a single measure, BMI is clearly not a perfect measure of health. But it’s still a useful starting point for important conditions that become more likely when a person is overweight or obese.
What is more accurate than BMI?
Waist-to-height ratio more accurate than BMI in identifying obesity, new study shows. Summary: Calculating a person’s waist-to-height ratio is the most accurate and efficient way of identifying whether or not they are at risk of obesity in clinical practice, a new study shows.
What is the best BMI for a woman?
A BMI of 18.5–24.9 is considered normal or healthy for most women. Even though healthcare professionals can use BMI as a screening tool, they shouldn’t use it as a method to evaluate a person’s body fat levels or health status ( 32 ).
What is my ideal weight?
Weight and height guide chart
|4ft 10″ (58″)||91 to 115 lbs.||119 to 138 lbs.|
|4ft 11″ (59″)||94 to 119 lbs.||124 to 143 lbs.|
|5ft (60″)||97 to 123 lbs.||128 to 148 lbs.|
|5ft 1″ (61″)||100 to 127 lbs.||132 to 153 lbs.|