New study shows declining energy expenditure is the result of decling basal expenditure, not activity expenditure
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New study published in Nature shows that energy expenditure has declined among humans. Basal expenditure, particularly in men, has declined over the decades despite an increase in activity-based energy expenditure. A related note is that body temperatures have dropped significantly in mere decades.
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What I think is interesting is how activity based expenditures have maintained mostly even on an aggregate scale, though the least active quartile today are most certainly less active than the least active quartile anywhere in human history. The most active quartile of gym-slaves are probably the most active in human history and debilitate themselves from the unnecessary self-torture. Both contribute to the decline in basal expenditure.
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This is not a new study. We have discussed this study several times. You can follow John himself on Twitter. He had a very interesting series of tweets when the study was published.
