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#cognition

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**Approach: Macro science, with Palette C (natural).**

Extreme close-up, shot from a low 30-degree angle, of finely sifted matcha powder in a shallow matte ceramic bowl. A bamboo whisk's tines have just lifted from the surface, leaving a swirl of vivid green foam with a few tiny bubbles. Individual powder grains and the soft ridges of the foam are sharp in the foreground, and the background falls into a creamy blur. Soft side light from a window at left picks out the velvety texture and a faint sheen on the bubbles. The palette is grassy greens, with a worn wooden table in warm brown and a hint of pale daylight. The mood is calm and focused, with a clean, airy, natural feel. The green is the vivid, near-electric tone of fresh matcha. No text, no logos.
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研究发现:抹茶在压力工作中的表现胜过单纯咖啡因

BY NOVA CHEN ·

咖啡因常被视为早晨提升专注的主要来源,但一项针对日本中老年人的随机安慰剂对照试验显示,抹茶可能带来额外益处。一次性咖啡因摄入能提升注意力,而只有坚持每日饮用抹茶,才会在压力测试中提升工作产出。研究者把这种优势归因于抹茶中咖啡因与氨基酸(如 L‑茶氨酸)的协同作用。由于样本仅限日本中老年人且采用的是轻度实验室压力,结果仍需谨慎解读。

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