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New study suggests ditching BMI for 'roundness'-based system

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New study suggests ditching BMI for 'roundness'-based system

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A recently-published study suggests that a body “roundness” index may be a better measure of health than body mass index (BMI).

The article, called “Body Roundness Index and All-Cause Mortality Among US Adults,” was published in the Journal of the American Medical Association (JAMA) this month. It promotes the use of the body roundness index (BRI), which was created in 2013.

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BMI, which has been the standard for measuring obesity since the 1980s, is calculated by dividing a person’s weight by the square of their height in feet. It was first developed by Belgian mathematician Lambert Adolphe Jacques Quetelet in the 19th century.

On the BMI scale, any number lower than 18.5 is considered underweight. A BMI between 25 and 30 is considered overweight, and a BMI score exceeding 30 is considered obese.

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A new study promotes the use of body roundness index (BRI) instead of body mass index (BMI). (iStock)

Although BMI is the standard way to measure obesity, it does come with its downsides. For example, because muscle adds on pounds, a healthy, muscular person who weighs a certain amount could be deemed overweight or obese using BMI.

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BRI, on the other hand, is calculated using height and weight circumference, instead of just height and weight. BRI scores are also determined by using a more complicated mathematical equation.

“Besides weight and height, BRI additionally considers waist circumference, and hence it can more comprehensively reflect visceral fat distribution,” the study explains.

According to the study, BRI was found to be a more effective way of measuring mortality in a group of patients.

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BMI is calculated by dividing a person’s weight by the square of their height in feet.  (iStock)

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“BRI was found to be superior over other anthropometric indicators in estimating the risk for various clinical end points, including cardiometabolic disease, kidney disease, and cancer,” the study claimed.

Researchers also said that their findings suggested that BRI “may be promising as a newer anthropometric measure associated with all-cause mortality.”

“Our findings provide compelling evidence for the application of BRI as a noninvasive and easy to obtain screening tool for estimation of mortality risk and identification of high-risk individuals, a novel concept that could be incorporated into public health practice pending consistent validation in other independent studies,” the article concluded.

The American Medical Association (AMA) has taken aim at BMI in the past. Last year, an AMA report called the use of BMI “imperfect” and “problematic,” and claimed that it has been used for “racist exclusion.”

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BRI utilizes height and weight circumference, instead of just height and weight. (iStock)

“BMI cutoffs are based on the imagined ideal Caucasian and [do] not consider a person’s gender or ethnicity,” a report presented at the 2023 AMA Annual Meeting read.

Fox News contributor Dr. Marc Siegel criticized the allegations, calling the criticisms “politics, not medicine.”

“I didn’t believe the AMA was going to get involved in cancel culture, but now they’re canceling the body mass index, which is the thing I look at to at least start me off in the direction of obesity,” Siegel said.

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The recent study claims that BRI was a more effective way of assessing a people’s health. (iStock)

“It’s not racist — it’s called good medicine.”

Fox News Digital’s Melissa Rudy contributed to this report. 

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‘SuperAgers’ stay mentally sharp well past 80, as scientists reveal the reason

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‘SuperAgers’ stay mentally sharp well past 80, as scientists reveal the reason

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Stat of the week

More than 59% of women may have high blood pressure by 2050, according to a new report from the American Heart Association.

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Heart disease threat projected to climb sharply for key demographic

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Heart disease threat projected to climb sharply for key demographic

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A new report by the American Heart Association (AHA) included some troubling predictions for the future of women’s health.

The forecast, published in the journal Circulation on Wednesday, projected increases in various comorbidities in American females by 2050.

More than 59% of women were predicted to have high blood pressure, up from less than 49% currently.

The review also projected that more than 25% of women will have diabetes, compared to about 15% today, and more than 61% will have obesity, compared to 44% currently.

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As a result of these risk factors, the prevalence of cardiovascular disease and stroke is expected to rise to 14.4% from 10.7%.

The prevalence of cardiovascular disease and stroke in women is expected to rise to 14.4% from 10.7% by 2050. (iStock)

Not all trends were negative, as unhealthy cholesterol prevalence is expected to drop to about 22% from more than 42% today, the report stated.

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Dr. Elizabeth Klodas, a cardiologist and founder of Step One Foods in Minnesota, commented on these “jarring findings.”

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“The fact that on our current trajectory, cardiometabolic disease is projected to explode in women within one generation should be a huge wake-up call,” she told Fox News Digital.

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“Hypertension, diabetes, obesity — these are all major risk factors for heart disease, and we are already seeing what those risks are driving. Heart disease is the No. 1 killer of women, eclipsing all other causes of death, including breast cancer.”

Cardiovascular disease is the leading cause of death for women in the U.S. and around the world. (iStock)

Klodas warned that heart disease starts early, progresses “stealthily,” and can present “out of the blue in devastating ways.”

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The AHA published another study on Thursday revealing one million hospitalizations, showing that heart attack deaths are climbing among adults below the age of 55.

The more alarming finding, according to Klodas, is that young women were found more likely to die after their first heart attack than men of the same age.

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“This is all especially tragic since heart disease is almost entirely preventable,” she said. “The earlier you start, the better.”

Children can show early evidence of plaque deposition in their arteries, which can be reversed through lifestyle changes if “undertaken early enough and aggressively enough,” according to the expert.

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Moving more is one part of protecting a healthy heart, according to experts. (iStock)

Klodas suggested that rising heart conditions are associated with traditional risk factors, like smoking, high blood pressure, high cholesterol, diabetes, obesity and a sedentary lifestyle.

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Doctors are also seeing higher rates of preeclampsia, or high blood pressure during pregnancy, as well as gestational diabetes. Klodas noted that these are sex-specific risk factors that don’t typically contribute to complications until after menopause.

The best way to protect a healthy heart is to “do the basics,” Klodas recommended, including the following lifestyle habits.

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Klodas especially emphasized making improvements to diet, as the food people eat affects “every single risk factor that the AHA’s report highlights.”

“High blood pressure, high blood sugar, high cholesterol, excess weight – these are all conditions that are driven in part or in whole by food,” she said. “We eat multiple times every single day, which means what we eat has profound cumulative effects over time.”

“Even a small improvement in dietary intake, when maintained, can have a massive positive impact on health,” a doctor said. (iStock)

“Even a small improvement in dietary intake, when maintained, can have a massive positive impact on health.”

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The doctor also recommends changing out a few snacks per day for healthier choices, which has been proven to “yield medication-level cholesterol reductions” in a month.

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“Keep up that small change and, over the course of a year, you could also lose 20 pounds and reduce your sodium intake enough to avoid blood pressure-lowering medications,” Klodas added.

“Women should not view the AHA report as inevitable. We have power over our health destinies. We just need to use it.”

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