Question: Why BMI Is A Bad Indicator?

When should a person be concerned about a high BMI what is considered a high BMI?

If your BMI is less than 18.5, it falls within the underweight range.

If your BMI is 18.5 to <25, it falls within the normal.

If your BMI is 25.0 to <30, it falls within the overweight range.

If your BMI is 30.0 or higher, it falls within the obese range..

Does age affect your BMI?

Share on Pinterest BMI incorporates height and weight but not body composition, fitness, age, or sex. For adults ages 20 years and older, BMI incorporates weight and height, but it does not take age or sex into account.

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.

Is BMI reliable or valid?

In contrast to other methods, BMI relies solely on height and weight and with access to the proper equipment, individuals can have their BMI routinely measured and calculated with reasonable accuracy. Furthermore, studies have shown that BMI levels correlate with body fat and with future health risks.

Who is BMI not accurate for?

This isn’t the only place where BMI falls apart either. BMI is also not reliable to use on elderly adults, who generally have lost some amount of muscle and bone mass. In this case, an elderly person’s BMI could be within a normal range while they might actually be overweight.

Is BMI accurate if you are muscular?

Crucially, BMI doesn’t distinguish between fat and muscle and studies have found it unreliable.

What weight is considered skinny?

You will recall that you calculate your BMI by dividing your weight in kilograms by the square of your height in metres. For adults, a BMI under 18.5 is considered dangerously thin, 18.5-25 is the healthy weight range, 25-30 is overweight, and 30 or over is obese.

Is it OK to be chubby?

It is not healthy to be “chubby”, it is healthy to maintain a good physical shape, even if you are not within the normal weight range. Therefore, if you are obese, even if you can not lose weight, you should at least exercise.

Is a BMI of 17.5 bad?

The American Dietetic Association (ADA) defines the ideal body mass index (BMI) as between 20 and 25. Thus, anyone below that range would be considered underweight and those with a BMI from 18.5 to 17.5 extremely underweight.

Is 29 a bad BMI?

BMI scores of 20 to 24.9 are considered normal, scores of 25 to 29.9 are overweight, scores of 30 to 34.9 are obese, and scores above 35 are extremely obese. Scores under 20 are considered underweight.

Is BMI chart realistic?

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.

What is the best BMI to have?

For most adults, an ideal BMI is in the 18.5 to 24.9 range. For children and young people aged 2 to 18, the BMI calculation takes into account age and gender as well as height and weight. If your BMI is: below 18.5 – you’re in the underweight range.

What should I use instead of BMI?

The BMI and other so-called “field methods”-among them, waist circumference, waist-to-hip ratio, skinfold thicknesses, and bioelectrical impedance-are useful in clinics and community settings, as well as in large research studies.

What happens if your BMI is too low?

Weighing too little can contribute to a weakened immune system, fragile bones and feeling tired. You can check if you’re underweight by using our BMI healthy weight calculator, which shows your body mass index (BMI). If your BMI is below 18.5, this suggests that your weight may be too low.

Why do doctors still use BMI?

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.

What is my ideal weight for my age?

Weight and height guide chartHeightWeight5ft 3″ (63″)107 to 135 lbs.141 to 163 lbs.5ft 4″ (64″)110 to 140 lbs.145 to 169 lbs.5ft 5″ (65″)114 to 144 lbs.150 to 174 lbs.5ft 6″ (66″)118 to 148 lbs.155 to 179 lbs.17 more rows

What are the problems with using BMI?

The main flaw: It’s an indirect measure of body fat that doesn’t take into account important details about age, sex, bone structure, and fat distribution, one study in the International Journal of Obesity explained. Again, it’s just two numbers: weight divided by height squared.

What is a fat skinny person?

What Does Being “Skinny Fat” Mean? If you’re a little unclear on what exactly skinny fat means, it a phrase that refers to someone who has a weight and BMI that is normal for that person’s height, but has much more body fat and not enough muscle mass recommended for optimal health.

Is being a little overweight OK?

So is it okay to be a little bit fat? The answer is probably yes: people with a BMI of 25 might view themselves as “a bit” fat, even though they are not overweight. But very high BMIs (and very low BMIs, below 18.5) are definitely unhealthy.

Why is BMI a bad health indicator?

In general, the higher your BMI, the higher the risk of developing a range of conditions linked with excess weight, including: diabetes. arthritis. liver disease.

Is the body mass index BMI a good indicator of health Why or why not?

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.