Take a deep breath in through your nose, and slowly let it out through your mouth. Do you feel calmer?
Controlled breathing like this can combat anxiety, panic attacks and depression. It's one reason so many people experience tranquility after meditation or a pranayama yoga class. How exactly the brain associates slow breathing with calmness and quick breathing with nervousness, though, has been a mystery. Now, researchers say they've found the link, at least in mice.