Changes in emotions, thoughts, and behaviors are warning signs of stress. what is the fourth category of warning signs?

They are signs of stress going throughout the body

Stress is a normal physical response to events that make you feel threatened or upset your balance in some way. When you sense danger – whether it’s real or imagined – the body's defenses kick into high gear in a rapid, automatic process known as the “fight-or-flight” reaction, or the stress response.

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