tumblr via “yasaiitame: “「糖分を摂ると集中力が増す」っていうのは有名だけど、なんと「口に含んで吐き出しても、集中力が増す」という研究結果がでたとか! これってすごいことだよね。…” https://t.co/CBaZzkKV55



from Twitter https://twitter.com/itarunozaki

June 07, 2018 at 02:37PM
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