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, a Belgian astronomer and sociologist first developed what would one day become known as the body mass index, or BMI. Adolphe Quetelet wasn’t trying to figure out how obese someone was–just what the “average man” had as a ratio of height to weight. Later in the 1970s, the current definition of BMI was codified, but it was never intended to be a measure of individual health but rather a way to track population health.
Over the years, however, BMI became a convenient shortcut as a measure of obesity, simply because it’s straightforward to calculate, even though its shortcomings have been long acknowledged in the scientific literature. So this week, the American Medical Association adopted policy language that clearly acknowledged the limits of BMI as a health measurement and gave guidance to doctors on how to use it in conjunction with other key measurements to better serve their patients.
“Due to significant limitations associated with the widespread use of BMI in clinical settings, the AMA suggests that it be used in conjunction with other valid measures of risk such as, but not limited to, measurements of visceral fat, body adiposity index, body composition, relative fat mass, waist circumference and genetic/metabolic factors,” the organization explained
. “The policy noted that BMI is significantly correlated with the amount of fat mass in the general population but loses predictability when applied on the individual level.”contributor Bruce Japsen, whose new book, which looks at Walmart’s history in the healthcare business, was
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