What is the Body Mass Index and is it the best measure of obesity? - CrowdScience, BBC World Service
CrowdScience listener Maik wants to know what the Body Mass Index is and what his BMI score says about his body.
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Maik trains dogs for a living and wonders if, like different breeds of dog, we simply have different body types?
So, Marnie Chesterton comes up with some answers, talking to doctors about how the BMI is used and misused in clinical practice, and looks at some alternative methods for measuring our body composition. She also sits down with philosopher Kate Manne to discuss the realities of living in a fatphobic world.
We hear from Tonga in the South Pacific, where high BMI scores have labelled the country highly obese. But this is not necessarily how Tongans see themselves.
And Marnie finds out if the BMI will continue to be used across the world as an important health marker to say whether people are healthy, overweight or obese, or whether it is destined for the scrap heap of medical history.
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00:00 How to calculate BMI
01:20 Listener Maik wants to know what BMI can tell you about your health?
02:20 How the WHO uses BMI to classify weight
03:05 History of BMI and its inventor
04:15 What the BMI tell us and why excess fat can be bad for our health
06:40 What other kinds of health screening are there? Marnie enters the BodPod
11:35 What Tongans think about their weight and the BMI
16:04 How useful is the BMI?
17:20 BMI and access to health care
19:10 Weight stigma, or fatphobia, and the BMI's role
21:40 The BMI classifications were changed in the late 1990s
24:14 Should we stop using BMI?
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