Anxiety in the Zombie Apocalypse

I've mentioned before (in fact, see me talk about it in THIS YouTube video), that anxiety as a "feeling" or "emotion" is a totally normal part of life, that you'll all have experienced. It's a side effect of the alert system that kicks our body into action when faced with danger. A lot of the symptoms of anxiety - the heart racing, nausea and breathlessness is caused by adrenaline - which is a hormone that is released to prepare our bodies for physical exertion (i.e. "fight" or "flight"). 

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