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Written by 4:48 am Nutrition, Weight Management

Is BMI A Good Indicator Of Health? Things You Should Know 

Is BMI A Good Indicator Of Health? Despite serving as an indicator of health for a long time, several people have complained that it overstates health issues because of its simplicity. Some have criticized this view as obsolete and incorrect regarding medical practices and fitness goals. This article examines the origin and validity of health prediction and provides alternative ways to assess health through BMI.

What Is BMI?

A mathematical model devised by Lambert Adolphe Jacques Quetlet, BMI gives governments an insight into their population’s health. The method even provided details as far back as 1832. However, some researchers argue about its suitability as a measure of accuracy. It does not consider issues such as muscle mass and body composition. According to Dr. Eric Berg, One of the biggest problems with BMI is that it doesn’t tell you how much fat you have versus muscle. It also can’t give you much of an idea of what’s going on with your overall health.

One must divide the weight in kilograms by the height in square meters to calculate BMI. Likewise, one can multiply pounds by square inches, such as 703, to arrive at this result. These are available from online converters like those provided by the National Institutes of Health (NIH). First, plot your BMI on a chart and see if it falls within the “normal” range. Remember that BMI serves only as a rough estimate concerning one’s weight, which may not apply to everyone.

Is BMI Accurate? 

There are a lot of people who ask if is BMI accurate. However, it is well-known as a method for estimating an individual’s body fat. It considers their weight distributed over their height. Though it is a predictive tool for health problems, many question its accuracy.

1. Risk Indication

Assessing weight through Body Mass Index (BMI) shows the probability of getting diabetes and heart disease. However, people will notice the same if their BMI is high.

2. Health Assessment

One should not take BMI as the sole indicator of his/her health condition. Some may have higher BMIs but remain healthy, while others may have some underlying health conditions even if their BMIs are lower.

is BMI outdated

Source: Freepik

3. BMI Categories

Losing weight or gaining weight are some of the categories present in BMI. However, various studies say that one might develop a high chance of having type 2 diabetes or heart disease if their BMI is higher than usual.

Computing BMI does not take into account some essential concepts. Muscle mass, body composition, and the location of stored fat in your body are some. An individual may, for example, have considerable muscle mass, which would result in a high body mass index. Yet they could still be deemed healthy at that point. This limitation, therefore, shows why other methods are better than BMI for ascertaining the well-being of an individual.

Many medical professionals use it to determine the overall risks connected with a patient’s health. However, a person’s health level varies due to many other factors. Nutrition, family history, and physical activity levels are some of them. As such, a person shouldn’t rely just on this information.

According to research, just a 5% decrease in someone’s Body Mass Index (BMI) might mean reduced rates of metabolic syndrome, heart disease, and type 2 diabetes. Nonetheless, it is vital to consider BMI outcomes in light of overall health. Thus, judging merely based on would be wrong.

Is BMI Outdated? Alternatives to BMI

1. Blood Pressure

One of the most significant biological markers showing heart health is high blood pressure, which indicates an individual’s health condition.

2. Blood Sugar Levels

Any medical check-up should include this since they can reveal signs of diabetes and pre-diabetes.

BMI accuracy

Source: Freepik

3. Cholesterol Level

These are things that a doctor will need to keep an eye on, especially while conducting tests. These are in terms of the LDL and HDL levels in patients. Based on the results, he might warn you about serious situations that might develop over time. Stroke or even heart attack are some of them.

4. Inflammation

Diabetes, cancers, and cardiovascular disease are some serious problems that one might notice as a result of severe inflammation in the body. As a result, it is essential to go for tests regularly.

5. Lean muscle mass to fat ratio

A considerable percentage increase in muscle mass reduces the vulnerability to type 2 diabetes onset, for example.

6. Waist Circumference

The waist size should not be more than forty inches for men because it may lead to obesity-related problems. However, it must also not go beyond thirty-five inches for non-pregnant people.

To Sum It Up

In conclusion, the basic assumption is that BMI gives an overview of body fat and related health risks. However, it fails to offer a complete health status analysis. The fact that it does not consider issues such as gender, age, and muscle composition is one of its loopholes. Nonetheless, depending only on a higher BMI often indicates increased chronic disease risks without addressing essential health matters. Consequently, relying heavily on BMI deepens disparities in healthcare access and weight bias toward those who need them more than any other group in society. Thus, BMI can be used as a starting point for evaluating health status.


Davidson, K., & Kubala, J. (2021, August 23). Is BMI an Accurate Predictor of Health? Healthline.

Wellness. (2022, January 5). Is BMI an Accurate Measure of Health? Cleveland Clinic.

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