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6 Rather Surprising Causes of Yawns

2. Exercise-Induced Yawns

I, like most people, yawn when I’m bored or tired, but I’ve also found it fascinating that I also yawn when I’m running or in spin class. I’ll let Andrew Gallup, Ph.D. Assistant professor of psychology at SUNY Oneota, explain further…Dr. Gallup explored the Evolutionary Underpinnings of Yawning in a 2013 study, published by the journal, Physiology & Behavior. The study findings report that “yawning not only increases the amount of blood traveling to your brain, but the extra air also lowers the temperature of that blood.” In essence, exercise-induced yawns can be the “brain’s natural air conditioner”.yawn

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