打哈欠是為了冷卻大腦? | PanSci 泛科學
Saturday, November 22, 2014 by JSDN
一般認為,打哈欠有助於供給大腦氧氣,然而過去的研究卻無法證明打哈欠和血氧濃度的關聯性。現在有一則研究顯示:打哈欠可能是為了讓腦袋降溫。
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Saturday, November 22, 2014 by JSDN
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