Posts Tagged ‘scientific methods’

Looking for a Good Measure of Obesity in Kids

January 20, 2022 — After four decades of agitation about childhood obesity it seems like we might safely assume that scientists can measure and track it with confidence. But it turns out that this is not exactly true. Why? Because of flaws in something called the BMI z-score. Body fat quite normally changes in children with age. What’s healthy […]

Can Happy Rats Tell Us Something About Obesity?

October 20, 2019 — All around us, we read mostly collegial (sometimes acrimonious) debates about how to do obesity and nutrition research right. Are randomized, controlled studies the best way to get definitive answers? What about nutritional epidemiology? Or animal studies? Some of these debates about methods and inferences are raucous. For a note of caution, we offer a […]