The study of obesity is the study of mysteries.
Mystery 1: The Obesity Epidemic
The first mystery is the obesity epidemic itself. It’s hard for a modern person to appreciate just how thin we all were for most of human history. A century ago, the average man in the US weighed around 155 lbs. Today, he weighs about 195 lbs. About 1% of the population was obese back then. Now it’s about 36%.
Back in the 1890s, the federal government had a board of surgeons examine several thousand Union Army veterans who fought in the Civil War. This was several decades after the end of the war, so by this point the veterans were all in their 40’s or older. This gives us a snapshot of what middle-aged white men looked like in the 1890s. When we look at their data, we find that they had an…
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