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This process is exacerbated by smoking, pollution, exposure to UV or ionizing radiation, eating fried foods or those cooked at high temperatures, as well as engaging in high-intensity exercise (12)

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This is also why GHK-Cu appears frequently in longevity-adjacent research alongside other compounds studied for age-related cellular changes, since a quantifiable, age-correlated decline gives researchers a concrete variable to test against rather than a purely theoretical one

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