![Young woman is breathing into a plastic bag. This technique is said to help reduce hyperventilation. The spasmophilia crisis caused by hyperventilatio Stock Photo - Alamy Young woman is breathing into a plastic bag. This technique is said to help reduce hyperventilation. The spasmophilia crisis caused by hyperventilatio Stock Photo - Alamy](https://l450v.alamy.com/450v/wwd3k6/beautiful-young-woman-taking-out-the-garbage-from-the-rubbish-container-relax-and-smiling-with-eyes-closed-doing-meditation-gesture-with-fingers-yoga-wwd3k6.jpg)
Young woman is breathing into a plastic bag. This technique is said to help reduce hyperventilation. The spasmophilia crisis caused by hyperventilatio Stock Photo - Alamy
![Cheap and easy human breath collection system for trace volatile organic compounds screening using thermal desorption – gas chromatography mass spectrometry - ScienceDirect Cheap and easy human breath collection system for trace volatile organic compounds screening using thermal desorption – gas chromatography mass spectrometry - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S2215016121001795-gr1.jpg)
Cheap and easy human breath collection system for trace volatile organic compounds screening using thermal desorption – gas chromatography mass spectrometry - ScienceDirect
![Young woman is breathing into a plastic bag. This technique is said to help reduce hyperventilation. The spasmophilia crisis caused by hyperventilatio Stock Photo - Alamy Young woman is breathing into a plastic bag. This technique is said to help reduce hyperventilation. The spasmophilia crisis caused by hyperventilatio Stock Photo - Alamy](https://l450v.alamy.com/450v/2axj6bd/woman-with-face-breathing-protection-mask-put-paper-waste-into-plastic-bag-airport-building-2axj6bd.jpg)
Young woman is breathing into a plastic bag. This technique is said to help reduce hyperventilation. The spasmophilia crisis caused by hyperventilatio Stock Photo - Alamy
Why do people breathe into a paper bag when in panic? Doesn't it mean they breathe *in* carbon dioxide instead of oxygen? - Quora
![50+ Breath Test Illustrations, Royalty-Free Vector Graphics & Clip Art - iStock | Dui, Breathalyzer, Alcohol test 50+ Breath Test Illustrations, Royalty-Free Vector Graphics & Clip Art - iStock | Dui, Breathalyzer, Alcohol test](https://media.istockphoto.com/id/1328993351/vector/a-female-person-undergoing-medical-genose-c19-rapid-test-patient-exhale-into-a-plastic-bag.jpg?s=612x612&w=0&k=20&c=GsYRe2ibIQ9_UmWlKrycgkJuVgSri6eyaOmll9Lqunk=)