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[DOI] [PubMed] [Google Scholar] Nutt DJ, LingfordHughes A, Erritzoe D, Stokes PRA (2015) The dopamine theory of addiction: 40 years of highs and lows

For individuals with undiagnosed conditions affecting copper metabolism, this could theoretically cause problems

The presence of this sleep-promoting peptide in milk suggests an evolutionary role in helping newborns establish healthy sleep cycles

Reference: Loguercio, C., Taranto, D., Beneduce, F., del Vecchio Blanco, C., de Vincentiis, A., Nardi, G., & Romano, M

Understanding Peptides: The building elements of proteins, amino acids, are arranged into short chains called peptides, essential to many bodily functions