The connection between breathing and anxiety

When anxiety builds, your breathing often changes without you noticing. It can become fast, shallow and centred in the chest — a pattern known as thoracic breathing.

This type of breathing can actually increase feelings of stress, creating a cycle where anxiety fuels your breathing, and your breathing fuels your anxiety.

The good news? By consciously adjusting your breath, you can influence your nervous system and help your body return to a calmer state.

Why breathing matters for anxiety

Breathing is one of the few bodily functions you can control that directly affects your nervous system.

Slow, controlled breathing activates the parasympathetic nervous system — often referred to as the “rest and digest” state. This helps:

• Lower heart rate

• Reduce stress hormones like cortisol

• Improve emotional regulation

• Decrease physical tension

• Promote a sense of calm

Five breathing techniques to try

1. Diaphragmatic (belly) breathing

This technique encourages deeper breathing using the diaphragm rather than the chest.

It has been shown to reduce stress markers such as cortisol, blood pressure and breathing rate.

2. Cyclic sighing

This involves a double inhale followed by a long exhale.

Emerging research suggests it may be particularly effective for improving mood and slowing breathing.

3. Mindful breathing

Combines breath awareness with present-moment focus.

It can help reduce anxiety, improve mood and support attention.

4. Bhastrika pranayama (bellows breath)

A more active breathing technique involving forceful inhales and exhales.

Studies suggest it may reduce anxiety and improve emotional regulation, though it may not be suitable for everyone.

5. 4-7-8 breathing

A structured breathing pattern (inhale for 4, hold for 7, exhale for 8).

Research links it to reduced anxiety, lower heart rate and improved relaxation.

How to get the most benefit

• Aim for at least 5 minutes per session

• Practice daily for consistent results

• Focus on technique rather than speed

• Build it into your routine (morning, commute, bedtime)

• Use it early when you notice anxiety rising

Important considerations

Breathing exercises are generally safe, but they may not suit everyone.

If you have respiratory conditions, a history of trauma, or experience panic symptoms, it’s important to seek guidance from a healthcare professional before starting.

If breathing techniques don’t feel accessible, alternatives like grounding, visualisation or progressive muscle relaxation can also be helpful.

The takeaway

Your breath is a powerful tool — but it’s not a quick fix.

With consistent practice, simple breathing techniques can help regulate your nervous system, reduce anxiety and improve overall wellbeing.

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