What Is Anxiety, Really?

Anxiety

30 July

Reviewed by Sally Tanner, MA Counselling, ACA Level 2 Member. Last reviewed: July 2026

Anxiety is more than "just worrying." It is your body's natural response to perceived threat, involving changes in your thoughts, emotions and nervous system that help prepare you to respond to danger. While everyone experiences anxiety at times, persistent or overwhelming anxiety that interferes with daily life may indicate an anxiety disorder.

Anxiety is a normal human response

Everyone experiences anxiety from time to time.

Whether you're about to sit an exam, attend a job interview or have a difficult conversation, feeling anxious is a normal part of being human. Anxiety has evolved as a protective response, helping us recognise potential threats and prepare to respond.

When your brain senses danger, your nervous system automatically shifts into a heightened state of alert. This can happen in a fraction of a second, often before you've consciously thought about the situation.

According to the Black Dog Institute, anxiety is a normal emotion that becomes a concern when it is excessive, persistent or begins interfering with everyday life.

Anxiety is more than worrying

Many people think anxiety simply means worrying too much, but it usually affects several parts of our experience at once.

Common experiences include:

Thoughts

Persistent worry
Racing thoughts
Difficulty concentrating
Expecting the worst

Physical sensations

A racing or pounding heart
Tightness in the chest
Muscle tension
Sweating or shaking
Feeling short of breath
Stomach discomfort

Emotions

Fear
Nervousness
Feeling on edge
A sense that something isn't right

Behaviours

Avoiding situations
Seeking reassurance
Over-preparing
Difficulty relaxing

Not everyone experiences anxiety in the same way. Some people notice mostly physical symptoms, while others are more aware of their thoughts or emotions.

Why does anxiety happen?

Your brain is constantly scanning your environment for possible threats.

When something feels uncertain or potentially unsafe, your nervous system prepares your body to respond. This response can increase your heart rate, tense your muscles and sharpen your attention, making it easier to react if necessary.

Sometimes, however, this alarm system becomes activated even when there is no immediate danger. Everyday situations such as public speaking, driving, social interactions or waiting for medical results can all trigger anxiety because the brain interprets uncertainty as potential threat.

The Beyond Blue guide to anxiety explains that anxiety is influenced by many factors, including genetics, personality, life experiences and current circumstances. There is rarely one single cause.

How common is anxiety?

Anxiety disorders are among the most common mental health conditions in Australia.

According to the Australian Bureau of Statistics' National Study of Mental Health and Wellbeing, 17.2% of Australians aged 16–85 - around one in six people - experienced an anxiety disorder during the 12 months prior to their survey.

Experiencing anxiety does not necessarily mean someone has an anxiety disorder. Everyone feels anxious sometimes. The difference is whether anxiety becomes frequent, difficult to manage or starts affecting everyday life.

When should someone seek support?

It may be helpful to seek professional support if anxiety:

feels overwhelming or difficult to control
occurs frequently
leads you to avoid important activities or situations
affects work, study or relationships
causes ongoing distress.

The Australian Government's healthdirect website recommends speaking with a GP or qualified mental health professional if anxiety is persistent or begins affecting day-to-day functioning.

If you'd like to understand what working with a counsellor for anxiety actually looks like, our Anxiety & Burnout Counselling page explains The Naum Centre’s approach.

Seeking support isn't about "failing to cope". Many people seek help simply to better understand their experiences and learn practical strategies for managing anxiety.

Key takeaways

Anxiety is a normal human response designed to help protect us from perceived threats.
It involves changes in thoughts, emotions, physical sensations and behaviour - not just worry.
Everyone experiences anxiety at times.
Persistent anxiety that interferes with daily life may indicate an anxiety disorder.
Support and evidence-based treatments are available if anxiety becomes difficult to manage.

If these experiences sound familiar and you're ready to talk to someone, you can book a free 15-minute consultation with our team to see if counselling may be a good fit for you.