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Statistical analysis Statistical analysis was performed by parametric one-way ANOVA with post hoc Newman-Keuls test and non-parametric Kruskal-Wallis and subsequent Mann-Whitney U -test to compare groups

HPA axis studies measure serum cortisol, ACTH, and CRH levels via radioimmunoassay or ELISA following DSIP administration in stress-challenged animal models

The future of topical exosome and peptide products for the purpose of skin rejuvenation appears promising

The prevalence of B12 deficiency increases significantly after age 60, and correcting deficiency can help maintain normal neurological function

This puts vegans and vegetarians at a higher risk of deficiency, as plant-based diets lack adequate amounts of this essential nutrient