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**Approach: Conceptual metaphor. Palette: D, bold color field.**

A saturated mustard-yellow seamless backdrop. In the center, shot from a slightly high three-quarter angle, a single old brass balance scale stands on a matte surface. One pan holds a small, glossy, translucent green glass sphere with a faint electric green (#00e676) glow inside, standing for the peptide's promise. The other pan holds a plain grey stone of similar size. The beam is almost level but tilts slightly toward the green side, so the result looks real but not decisive. Hard, directional studio light from the upper left casts crisp, defined shadows across the yellow. Fine scratches and patina show on the brass. The background is clean and the framing is wide, with open space on the right. The mood is curious, skeptical and balanced.

N‑PEP‑12 脑肽：90 天提升记忆，但仍存隐患

BY NOVA CHEN · 2026年10月27日

一项针对 276 名 50‑75 岁、存在记忆和注意力主观抱怨的成年人进行的随机试验显示，N‑PEP‑12 的注意力得分随访期间逐渐与安慰剂出现分化。90 天时，45 mg 与 90 mg 两组在警觉性、注意遗漏以及记忆遗漏方面的提升均优于安慰剂，数字广度测验也有所改善。但整体治疗效应未达显著（p = 0.133），且各终点均标记为探索性。副作用极少且在各组之间分布均匀。以下将阐述数据的具体含义、适用人群以及尚未解决的问题。