Dietary tyrosine suppresses the rise in plasma corticosterone following acute stress in rats.


Acute, uncontrollable stress increases norepinephrine (NE) turnover in the rat's brain (depleting NE) and diminishes the animal's subsequent tendency to explore a novel environment. Pre-treatment with tyrosine can reverse these adverse effects of stress, presumably by preventing the depletion of NE in the hypothalamus. Numerous studies suggest that NE… (More)


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