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Today, when it’s clear that the brain is the command center of all the body’s systems, it’s hard to imagine how people once understood it differently.
Research reveals that substances naturally secreted in the body interact differently with receptors in males and females, potentially altering how each gender’s brain perceives painful stimuli.
A study finds that changes in astronauts’ bodies begin immediately upon reaching space, and that women may be better suited for space travel than men.
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