Anxiety in plain words: what happens in the body and the mind
Author: The Narcis editorial team · updated: August 24, 2026
Clinical review: a practising psychotherapist
Anxiety is a normal system for responding to possible threat. It becomes a problem not because the brain is broken, but when the danger signal fires too often, too intensely, or starts driving everyday decisions.
What happens in the body
An anxious reaction involves not a single button in the brain but several systems: regions that rapidly detect potential threat, the centres of attention and memory, and the autonomic nervous system. The heart may beat faster, breathing may change, muscles may tighten.
These sensations are real. At the same time they are shaped by how we interpret the situation and the body itself. The thought “this is dangerous” can intensify a racing heart, and a racing heart can intensify the anxious thought further. That is how the loop forms.
What can help right now
Try making your breathing a little slower and more comfortable, letting your shoulders drop, feeling your feet on the floor, moving your attention to specific objects around you. For some people a short walk or other calm physical activity helps.
This does not switch anxiety off, but it can lower the intensity of the reaction and restore a sense that things are manageable.
When to seek help
If anxiety has become a constant background, if it interferes with sleeping, working, or leaving the house, or if it comes with panic attacks, a professional assessment is the better route. Psychotherapy has evidence-based methods for anxiety disorders; with certain symptoms a medical assessment may also be needed.
If this topic resonated — you do not have to sit with it alone.
Find a therapist for this topic →If there is an immediate threat to your life, thoughts of self-harm, or a sharp worsening of your state, do not wait for a scheduled session — seek emergency help. Where to turn →
This article is for information only and is not a substitute for an individual consultation with a specialist.