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As expected, AgRP GHR knockout (KO) mice did not show GH-induced pSTAT5 in AgRP neurons (Fig

This decline correlates directly with the loss of regenerative capacity that comes with aging, which is part of why older individuals struggle more with skin elasticity after weight loss

However, its important to remember that these peptides are still being investigated in clinical trials to assess their efficacy and safety

Improperly reconstituted tirzepatide, whether from mechanical denaturation (shaking), incorrect concentration (wrong water volume), or degradation (poor storage), delivers less active peptide than the label suggests