The Shuar of Amazonian Ecuador is the study population where @SSUrlacher is studying kids nutrition, health and more. @evmedasupic.twitter.com/ITqTvSjLHQ
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Uh... what? Apparently nobody had measured energetic expenditure in a subsistence population of kids says @SSUrlacher He brought equipment out via canoe to measure among the Shuar. Kids also love the respirometer, made them feel like awesome astronauts apparently @evmedasupic.twitter.com/dwKCVKqO7W
Wild! There is NO DIFFERENCE between Shuar kids and UK/US kids in terms of energy expenditure shows @SSUrlacher using the gold standard of assessing energy expenditure in kids. @evmedasupic.twitter.com/No0jsMKpqE
Trade offs are the key to understanding why energy expenditure is the same across kids in v. diff environments: US/UK kids are able to grow faster and taller than Shuar kids because they don’t have to spend as many somatic resources on immune function says @SSUrlacher @evmedasu
Some thoughts on @SSUrlacher ‘s @evmedasu presentation: might abdominal/omental fat actually be an index of immune function (we know this kind of fat can be largely made of immune cells and help make a barrier around intestines).
Another thought for @SSUrlacher - might the constrains on energy expenditure somehow be a mechanism for restricting potential cellular cheating (either of somatic cells or microbial cells that might use too many resources/replicate too quickly) to protect organism @evmedasu
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