Stressful situations can cause anxiety, our body’s natural response to stress. But feelings of apprehension can also be accompanied by physical effects such as rapid breathing, increased heart rate and nausea. How our brain perceives these physical changes – in particular, breathing – could be key to better understanding anxiety disorders and treating them.
Anxiety disorders are the most common mental health problem in Europe, affecting about 25 million people across the region.
Whereas anxiety is a normal reaction to difficult times, enabling us to take precautions, people with disorders can have high levels of dread that come out of nowhere and affect their daily life.
‘Having an anxiety disorder is when anxiety levels are both elevated and are causing problems,’ said Dr Olivia Faull, a neuroscientist at the University of Zurich in Switzerland. ‘It can stop (people) from doing things that they would like to do or things that they need to do like going out to the shops or visiting friends.