Reducing Stress: Minimize stressors in your horse's environment, as stress can deplete glutathione levels
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The researchers found that the neurotransmitter norepinephrine, which activates the fight-or-flight stress response, was the link between emotional stress and gray hair
[DOI] [PubMed] [Google Scholar] 33.Giustarini D, Galvagni F, Tesei A, Farolfi A, Zanoni M, Pignatta S, Milzani A, Marone IM, Dalle-Donne I, Nassini R, Rossi R