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 One Indiana student thinks the body mass index is an outdated, inaccurate way to measure health, and she isn't afraid to say it. 
 
 On a school take-home assignment, the eighth grader was asked to define BMI (body mass index), then calculate her own. Instead, she wrote a wrote a passionate short essay, slamming the mode of measurement and asserting her own body positivity. 
 
 The girl's own BMI, which is measured by dividing weight by height squared, puts her in the "obese" range — even though she's an active, well-balanced athlete whose doctors have given her a clean bill of health. 
 
 So proud of the family of one of my friends. Her daughter had to do a middle school project that involved... Posted by MacLeodCartoons on Wednesday, March 30, 2016 
 
 "How could someone who stays fit, eats healthy, and has a low metabolism be in danger of heart disease and diabetes? Oh, that's right, because she isn't in danger of obesity and heart disease," she wrote in the essay, which was posted to Facebook by a family friend. 
 
 Many scientists agree. While it's still a common way to measure health, the medical usefulness of BMI has become increasingly dubious in recent years. 
 
 The test question. Image: facebook/macleod cartoons 
 
 The mode is intended to measure how much of a person's body is composed of fat based on the ratio between height and weight; however, many people — including this student — argue that BMI is far too simplistic a measurement. 
 
 For one thing, they say, BMI doesn't distinguish between different types of fat. For another, it can't distinguish fat from muscle, thus incorrectly placing some muscular individuals into the "obese" range. 
 
 But this student isn't letting that categorization affect her confidence. ""My BMI is none of your concern because my body and BMI are perfect and beautiful just the way they are," she wrote. 
 
 You go, girl. 
 
 [H/T: Upworthy] 
 
 
 
 BONUS: Wise human Nick Offerman reads more shower thoughts, hurts your brain 
 
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 Boston, MA-- Pediatricians can now identify infants who are at higher risk of early-childhood obesity, before obesity develops, using a simple measurement of body mass index (BMI), a tool not routinely used until children are 2 years old. This conclusion, from a new study of nearly 4,000 children, will be presented Friday at the Endocrine Society's 98th annual meeting in Boston. 
 
 In the U.S., 17 percent of children and teens are obese, according to the Centers for Disease Control and Prevention. However, health care providers do not know when obese children develop an abnormal pattern of weight gain, said lead investigator Allison Smego, MD, a pediatric endocrinology fellow at Cincinnati Children's Hospital Medical Center. 
 
 "Our study shows that growth patterns in children who become severely obese by 6 years of age differ from normal-weight children as young as 4 to 6 months of age," Smego said. 
 
 The researchers found that a high BMI, measured between 6 and 18 months of age, accurately predicted which infants were prone to early-childhood obesity. 
 
 Children age 2 years or older are considered overweight if they have a BMI at or above the 85th percentile for their age and sex on standard growth charts, and are obese if their BMI is at the 95th percentile or higher. Although not typically done, infants' BMI can be tracked on World Health Organization (WHO) growth charts for birth to 24 months. 
 
 In this study, Smego and colleagues looked at the electronic health records for two groups of patients who had growth data from birth through age 6 years. One group of 480 children was severely obese between ages 2 and 6 years, with a BMI above the 99th percentile on the WHO growth charts, and the other group of 783 kids was lean, with a BMI between the 5th and 75th percentiles during those ages. Looking back at the growth curves over time, the researchers found that BMI diverged between the two groups starting at only 4 months of age. 
 
 A BMI above the 85th percentile at 6, 12, or 18 months was a strong predictor of severe obesity by the age of 6 years, the investigators reported. 
 
 Most of the obese children were from low-income, African-American populations in Cincinnati, according to Smego. To validate their findings in a different ethnic and socioeconomic population, the researchers repeated the study in a third group: 2,649 children seen at Children's Hospital Colorado in Aurora, Colo., which had a higher Hispanic population. Smego said that a BMI threshold above the 85th percentile increased the chance of severe obesity at age 6 years by threefold to nine-fold in this group. 
 
 "Based on our findings, we recommend that pediatricians routinely measure BMI at infant well-child assessments beginning at 6 months, identify high-risk infants with BMI above the 85th percentile, and focus additional counseling and education regarding healthy lifestyle toward the families of these children," Smego said. "It might take the pediatrician a minute to look at BMI, yet it gives them a wealth of knowledge about how their patient is growing." 
 
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 Endocrinologists are at the core of solving the most pressing health problems of our time, from diabetes and obesity to infertility, bone health, and hormone-related cancers. The Endocrine Society is the world's oldest and largest organization of scientists devoted to hormone research and physicians who care for people with hormone-related conditions. 

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– An Indiana 8th-grader's refusal to complete a school project as assigned is making headlines. The unnamed girl was asked to calculate her body mass index and give the definition for BMI, which is found by multiplying one's weight by 703 and dividing by squared height in inches. But instead of providing the number, she countered with a two-page essay. A "proud" family friend posted photographs of her work on Facebook on March 30. The self-described "bigger girl" opens up about her own body image struggles, which recently involved trying "to wrap Ace bandages around my stomach so I'd look skinnier." Her concerned parents took her to her doctor, "a man who went to college for eight years studying children's health [and] told me my height and weight are right on track." She concludes by writing that her BMI is not only "none of your concern" but is also "beautiful," as is her body. She also argues that BMI is an outdated index that has "absolutely no way of discriminating [between] fat and muscle." Indeed, a study published in Nature in March finds that almost half of people considered "overweight" through this measure actually have a healthy cardiometabolic profile calculated using such factors as blood pressure, cholesterol, and blood sugar, while about a third of the "normal" BMI people had unhealthy profiles. But a CDC study to be presented Friday argues in favor of the measure's usefulness; it found that an infant's BMI at 6 to 18 months can predict those who are prone to obesity in early childhood. (This professional runner also inspired with her honesty about her own body, in this case post-pregnancy.)