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Clarifying whether cardioprotective and anti-inflammatory effects occur independently of weight loss and glucose control will be critical for assessing clinical impact
Cellular senescence and tumor suppressor gene p16
The plasma level of the natural peptide GHK (which forms GHKCu) averages about 200 ng/mL at age 20 and falls to around 80 ng/mL by age 60, tracking with reduced tissue repair and collagen support in older skin [7]
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