How does stress affect your respiratory system

Stress can cause shortness of breath or make it worse. Once you start feeling short of breath, it is common to get nervous or anxious. This can make your shortness of breath even worse. Being anxious tightens the muscles that help you breathe, and this makes you start to breathe faster. Panic attacks cause frightening physical symptoms, such as a racing heartbeat, shortness of breath, or nausea.

Stress hormones affect your respiratory and cardiovascular systems. During the stress response, you breathe faster in an effort to quickly distribute oxygen-rich blood to your body. ... Stress hormones cause your blood vessels to constrict and divert more oxygen to your muscles so you'll have more strength to take action

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