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They send specific biological messages that stimulate cellular processes such as collagen production, cell proliferation, and protein synthesis

What the animal studies cannot tell us includes optimal human dosing, population-specific responses (elderly, children, pregnancy), long-term safety in humans, rare side effects that require large sample sizes to detect, and interactions with medications or medical conditions

Zhou et al., 2023[170])

Common side effects are usually mild and may include temporary redness or bruising at the injection site