AJ PHOTO / SCIENCE PHOTO LIBRARY AJ PHOTO / SCIENCE PHOTO LIBRARY
Asthma attack. Young woman having an asthma attack. Asthma is a condition in which the small airways (bronchioles) in the lungs constrict, making it difficult to breathe. She is treating the attack with an asthma inhaler. Inhalers contain bronchodilator drugs that widen constricted airways in the lungs.
Model release available. Property release not required.