We reviewed the constrained energy expenditure hypothesis in 2023. We concluded that Pontzer's theory raises some interesting questions. However, it's generally not very convincing due to flaws in ...

The central tenet of these reports is that the amount of calories we burn each day is somehow constrained. This hypothesis was first proposed in 2012 by the evolutionary anthropologist Herman Pontzer.

We reviewed the constrained energy expenditure hypothesis in 2023. We concluded that Pontzer’s theory raises some interesting questions. However, it’s generally not very convincing due to ...

We all have limits, and a new study suggests those limits are pretty similar among individual humans—at least at the metabolic level. Researchers tracked runners’ energy expenditure before and after ...