It helps you you with smokers cough and you get to sound like Donald Duck
Researchers at the University of Alberta in Edmonton, Canada have discovered that by combining helium with 40 per cent oxygen allowed patients with chronic obstructive pulmonary disease (COPD) to increase their exercise capacity by an average of 245 per cent. COPD is a disease of the lungs caused by smoking and includes the conditions of emphysema and chronic bronchitis.
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