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Exposure to environmental toxins used in industrial applications, including polyaromatic hydrocarbons and polyhalogenated biphenyls, can also trigger thyroid autoimmunity (Zaletel And Gaberscek 2011)
UK readers face a different regulatory picture entirely, which we cover in Are peptides legal in the UK
Notably, serotonin synthesis decreased in dorsal thalamus, hippocampus, lateral geniculate body, and hypothalamus
Park C, Kim J, Jeong H et al (2022a) Neuropeptide Y Y1 receptor (NPY1R) in complex with G protein and its endogeneous peptide-agonist neuropeptide Y (NPY)
Together, these peptides target hair loss and overall hair health from every angle: stimulation, support, and strand integrity