Caffeine opens airways for asthmatics.
D001249:Asthma / Q000503:physiopathology*; D001980:Bronchi / Q000187:drug effects* / Q000503:physiopathology; D001993:Bronchodilator Agents / Q000494:pharmacology*; D002110:Caffeine / Q000494:pharmacology*; D006801:Humans
D001993:Bronchodilator Agents; D002110:Caffeine