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This is especially true for studies involving the brain and central nervous system

Andrea Steinbrenner, a consulting executive, said she became intrigued by peptides after hearing about their benefits for "longevity, repair, anti-aging and energy," from an acquaintance who runs a clinic outside of San Diego

Some practitioners employ intermediate dose increases, such as escalating by 0.25 mg increments rather than doubling doses, to improve tolerance in sensitive patients

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