Elevated BMI tied to shorter life

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At the end of October, two large, new studies made headlines, both looking at the relationship between body mass index (BMI) and mortality. Eurek Alert: Study of 500,000 people clarifies the risks of obesity CNN: Obesity, low BMI linked to increased risk of death, study reveals The first study, published in Obesity, used a technique called Mendelian randomization, which employs genetic markers and number crunching to mimic a clinical trial. (For more on Mendelian randomizations, Gary Taubes gave a nice explanation of how these analyses work in this MIT Technology Review article last summer.) The study authors looked at the genomes and health status of over 500,000 individuals from the UK, and concluded: “Results support a causal role of higher BMI in increasing the risk of all-cause mortality and mortality from several specific causes.” Specifically, a five point BMI increase was associated with a 16% increase in all-cause mortality and a 61% increase in cardiovascular...
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Elevated BMI tied to shorter life was originally posted by Ketogenic Diet