The energy used by the brain during childhood connected to our slower rate of growth compared to other primates. Quoting iflscience on the study published by PNAS, As predicted, they found that body growth slows when the brain consumes a lot of glucose. Furthermore, the brain was found to be hungriest when children are around 4 years old, which coincided with a period when body growth was slowest. At this time, the brain consumes more than 40% of the body’s total energy expenditure. According to lead author Christopher Kuzawa, brain cell connections “max out” at this age because we learn so many new things that are critical to becoming successful humans. This means that there are less resources available for the rest of the body to use to facilitate growth of other body parts Read more at iflscience/brain/why-do-humans-grow-so-slowly#AKcQO6UHyy60e7Z0.99 iflscience/brain/why-do-humans-grow-so-slowly#ewoHicD1J3eS0Drb.99
Posted on: Tue, 26 Aug 2014 16:10:12 +0000
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