The last two posts on fat and carbohydrate were written to answer a few important, but relatively narrow, questions that I feel are particularly pertinent at the moment:Was the US obesity epidemic caused by an increase in calorie intake?Could it have been caused by an increase in carbohydrate intake, independent of the increase in calorie intake?Does an unrestricted high-carbohydrate diet lead to a higher calorie intake and body fatness than an unrestricted high-fat diet, or vice versa?Could the US government's advice to eat a low-fat diet have caused the obesity epidemic by causing a dietary shift toward carbohydrate?However, those posts left a few loose ends that I'd like to tie up in this post. Here, I'll lay out my opinions on the...
Has Obesity Research Failed?
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I frequently encounter the argument that obesity research has failed because it hasn't stopped the global increase in obesity rates. According to this argument, we need to re-think our approach to obesity research because the current approach just isn't working. Grant funding for obesity research keeps increasing in the US, and the prevalence of obesity also keeps increasing*. What gives? Maybe if we just scrapped the whole endeavor we'd be better off. Let's take a closer look at this argument and see how it holds up.Why Do Research?There are two fundamental reasons why we do research:To gather accurate information about the natural world. This information is intrinsically valuable because we like knowing how the world...