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According to Quartz (This article and its images were originally posted on Quartz February 6, 2019 at 04:50AM.)
It appears that not all brains age equally.
On Monday (Feb. 4) a team of scientists from Washington University in St. Louis published new work showing that women’s brains tend to convert sugar to energy at higher rates than men of the same age—making those brains look “metabolically younger” than men’s brains.
Human brains need different amounts of energy at different points in a person’s life. When we’re children, our brains need to consume a lot of fuel to build cells and synaptic connections as we learn. They start to need less in our teenage and young-adult years. By the time we hit our 60s, our brains convert a consistently low level of sugar into fuel compared to earlier decades of life.
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