This is such absolute nonsense it's absurd The study found that waist circumference could predict death independent of BMI THAT DOESN'T MEAN PEOPLE ARE BEING MURDERED BY THE MEDICAL SYSTEMpic.twitter.com/s8YmmKQgpB
Epidemiologist. Writer (Guardian, Observer etc). "Well known research trouble-maker". PhDing at @UoW Host of @senscipod Email gidmk.healthnerd@gmail.com he/him
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This is such absolute nonsense it's absurd The study found that waist circumference could predict death independent of BMI THAT DOESN'T MEAN PEOPLE ARE BEING MURDERED BY THE MEDICAL SYSTEMpic.twitter.com/s8YmmKQgpB
Seriously, read the study here (open access):https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2738622?utm_source=For_The_Media&utm_medium=referral&utm_campaign=ftm_links&utm_term=072419 …
Simply put, the researchers collated existing databases on postmenopausal women, separated them into high/low waist circumference (WC), and then compared the impact of WC vs BMIpic.twitter.com/Vj6VDVDLu0
They found that people with higher WC were unhealthy in a multitude of ways - more smoking, drinking, less exercise etcpic.twitter.com/Ol6itZgSBz
They also found that WC appeared to predict death independently of BMI - if you had a low WC your BMI might not matter so muchpic.twitter.com/hzy6YzHoNk
Conversely, having a high WC was bad even if your BMI was technically normal!pic.twitter.com/OOl7ZwVj7w
Their conclusion? Measure both BMI and WC! Both are easy, both predict issues, why not have the best of both worlds?pic.twitter.com/oYJ3O3TDUB
Another important note - while women with
WC but
BMI were at an increased risk of death, this was a TINY proportion (0.9%) of the population, so in fact a healthy BMI was a very good predictor for 99.1% of people!
Those might be the women with ascites or large intraabdominal masses. 
They did try to control for comorbid conditions but I'm sure there were things they couldn't exclude!
Yeah. When I think of someone skinny with a big tummy I am not thinking of the picture of health.
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