Stress is a completely natural part of being a human. Our stress response evolved to create a series of physiological changes that enable us to react quickly in life-threatening situations.
Fortunately, most of us now face a very low risk of being eaten by a lion or leopard during our day to day lives. We do, however, still come across situations that trigger a stress response. Some can be major, like the loss of a loved one or a car accident; some are less major, like a work deadline or a delayed commuter train.
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