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Serotonin has a prominent role in controlling gastrointestinal motility

Peripheral levels of neuronal injury biomarkers reveal elevated serum levels of glial fibrillary acidic protein, neurofilament light chain, P-tau, and other anomalies that are indicative of myelination problems, astroglial damage, neuronal impairment, and synaptic dysfunctions [203]

A double-blind trial provided strong evidence for seleniums reproductive importance: men receiving selenium supplements doubled their output of viable sperm , while those given a placebo showed no improvement

Emanuelli, D

Effects of creams containing vitamin C, a copper-binding peptide cream and melatonin compared with tretinoin on the ultrastructure of normal skin-A pilot clinical, histologic, and ultrastructural study