Reading Comprehension (RC) | It was once believed that the brain was independent of meta

[box_out][box_in] It was once believed that the brain was
independent of metabolic processes occurring
elsewhere in the body. In recent studies, however,
we have discovered that the production andrelease
(5) in brain neurons of the neurotransmitter serotonin
(neurotransmitters are compounds that neurons use
to transmit signals to other cells) depend directly on
the food that the body processes.

Our first studies sought to determinewhether
(10) the increase in serotonin observed in rats given
a large
...

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