Confused and angry? You should be. As usual, the focus is on the least important piece of the puzzle. But why do scientists harp on the calorie? Simple. It's cheap to estimate, and it is a popular variable for publication in journals. This, dear friends, is referred to as "parking lot" science, so- called after a joke about a poor drunk man who loses his keys during a night on the town. His friends nd him on his hands and knees looking for his keys under a streetlight, even though he knows he lost them somewhere else. "Why are you looking for your keys under the streetlight?" they ask. He responds con dently, "Because there's more light over here. I can see better." For the researcher seeking tenure, grant money, or lucrative corporate consulting contracts, the maxim "publish or perish" applies. If you need to include 100 or 1,000 test subjects and can only a ord to measure a few simple things, you need to paint those measurements as
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