Best answer: Does BMI make sense?

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.

Is BMI a good indicator?

BMI is a reasonable indicator of body fat for both adults and children. Because BMI does not measure body fat directly, it should not be used as a diagnostic tool. Instead, BMI should be used as a measure to track weight status in populations and as a screening tool to identify potential weight problems in individuals.

Is BMI accurate if you are muscular?

A glob of muscle weighs about 18 percent more than the same size glob of fat. So, according to the BMI, the sprinter is more overweight than the sedentary person. But as I said earlier, a glob of muscle weighs about 18 percent more than the same size glob of fat, so this is clearly not an accurate statement.

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Why the BMI is wrong?

BMI does not measure body fat percentage

One of the main issues with BMI is that it cannot account for the difference between muscle and fat. Because muscle tissue is more dense than fat, many athletes and bodybuilders are considered overweight according to BMI despite being in peak athletic health.

Is the BMI scale outdated?

Though it has been used for decades as the go-to measurement for your health based on your size, it has been widely criticized for its oversimplification of what being healthy really means. In fact, many claim BMI is outdated, inaccurate, and shouldn’t be used in medical and fitness settings.

Does BMI actually mean anything?

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.

Why is BMI better than weight alone?

BMI is not a perfect measure, because it does not directly assess body fat. Muscle and bone are denser than fat, so an athlete or muscular person may have a high BMI, yet not have too much fat. But most people are not athletes, and for most people, BMI is a very good gauge of their level of body fat.

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 it OK to be overweight with muscle?

BMI isn’t perfect

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It often identifies fit, muscular people as being overweight or obese. That’s because muscle is more dense than fat, and so weighs more. But muscle tissue burns blood sugar, a good thing, while fat tissue converts blood sugar into fat and stores it, a not-so-good thing.

Is BMI or body fat percentage more important?

While BMI is a rough estimate of body fat, body fat percentage is a more accurate number. BMI, but not overfat. Likewise, a person of normal weight on the BMI scales may still be overfat and at risk of weight-related diseases.

Does breast size affect BMI?

BMI is genetically correlated with breast size.

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.

How can I lower my BMI fast?

Eat More Fruits, Vegetables, Whole Grains, and Low- or No-Fat Dairy Products Every Day

  1. Aim for at least five servings of fruits and vegetables a day. …
  2. Try and choose whole grain cereal, pasta, rice, and bread. …
  3. Avoid food that is high in sugar, like pastries, sweetened cereal, and soda or fruit-flavored drinks.

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What is the healthiest BMI for a woman?

A BMI of 18.5–24.9 is considered normal or healthy for most women.

What weight do I need to be to have a BMI of 25?

4 in. tall is considered overweight (BMI is 25 to 29) if she weighs between about 145 and 169 pounds. She is considered obese (BMI is 30 or more) if she is closer to 174 pounds or more.

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How much should I weigh not BMI?

If your BMI is less than 18.5, it falls within the underweight range. If your BMI is 18.5 to 24.9, it falls within the normal or Healthy Weight range. If your BMI is 25.0 to 29.9, it falls within the overweight range. If your BMI is 30.0 or higher, it falls within the obese range.

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