Understanding Anxiety: What It Is, Why It Happens, and How Therapy Can Help

Anxiety is one of the most common reasons people seek support from a psychologist. For some, it’s a constant background hum. For others, it shows up in waves - during certain situations, transitions, or periods of pressure and performance.

According to the Australian Institute of Health and Welfare, around one in five Australian adults experience a mental disorder in a 12-month period, and anxiety disorders including generalised anxiety disorder, social anxiety, and panic disorder, are among the most common.

While anxiety can feel overwhelming, it’s also a very human experience.

Anxiety is part of the body’s natural threat response designed to help us notice danger, prepare for challenges, and stay safe.

Difficulties tend to arise when this system becomes overactive, persistent, or hard to settle, even when there’s no immediate danger.

For people who notice that anxiety has started to become a problem for them, there are several important steps I often recommend and work through with clients. These include understanding what anxiety is, how it develops, and how it can be worked with in a way that reduces fear, self-blame, and the sense of being stuck.

What is anxiety?

Anxiety is part of the body’s natural threat response. When anxiety is working as intended, it can:

• alerts us to risk

• sharpens focus

• supports preparation and problem-solving

These responses can be helpful. Difficulties tend to arise when the nervous system remains on high alert, becoming overactive, persistent, or triggered in situations that aren’t actually dangerous.

When this happens, anxiety can begin to interfere with daily life, relationships, sleep, work, eating, or enjoyment.

How anxiety can show up

Anxiety doesn’t look the same for everyone. It can affect the body, mind, and behaviour, often in combination.

In your body

• racing heart or tight chest

• shortness of breath

• nausea or stomach discomfort and upset

• muscle tension

• fatigue or restlessness

In your mind

• constant worry or “what if” thinking

• difficulty switching off

• fear of making mistakes

• catastrophising

• mental rehearsal or over-planning

In your behaviour

• avoidance of certain situations

• reassurance-seeking

• over-preparing or over-controlling

• difficulty resting

• pushing through despite exhaustion

Many people with anxiety appear highly capable on the outside, even while feeling distressed internally.

How do you know if anxiety might be a problem?

Anxiety can become a concern when it:

• feels out of proportion to the situation

• is hard to settle once activated

• starts limiting what you do or enjoy

• leads to rigid routines, control, or avoidance

• is managed through harsh self-criticism

For some people, anxiety shows up as panic attacks: sudden surges of intense fear that peak quickly and feel overwhelming in the moment. Panic attacks often include physical symptoms such as breathlessness, dizziness, chest tightness, or a sense of losing control.

For others, anxiety is quieter and more persistent, appearing as tension, over-thinking, control, or a constant sense of needing to stay on top of things. This is common in generalised anxiety disorder and in people working in high-pressure or performance-focused environments.

What these experiences often share is that anxiety begins shaping life from the inside - influencing decisions, energy, and self-expectations - even when things may look “fine” from the outside.

How can a psychologist help with anxiety?

The role of a psychologist in supporting anxiety is not to apply a one-size-fits-all solution, but to understand how anxiety operates for you.

Anxiety disorders rarely have a single cause. Anxiety usually develops through a combination of factors such as temperament, early learning about safety or responsibility, life experiences, ongoing stress, and learned coping strategies.

Anxiety also rarely exists in isolation. In therapy, we often explore how anxiety interacts with things like low mood or depression, perfectionism, self-criticism, work or study stress, body image concerns, or eating difficulties.

When you see a psychologist for anxiety, the focus is on developing a shared understanding of these patterns (not to assign blame or search for a single source to “fix”), clarify what’s maintaining anxiety and what helps the nervous system feel safer.

This understanding then guides how therapy is paced, focused, and tailored. Treatment for anxiety works best when it supports both emotional safety and meaningful change, rather than pushing too hard or too fast.

If you think you may need some further support feel free to reach out to me.